From 8acc6aba500951b049309f7c87f57d560eb24c11 Mon Sep 17 00:00:00 2001
From: Joshua Tenner <tenner.joshua@gmail.com>
Date: Fri, 5 Jul 2019 16:22:26 -0400
Subject: [PATCH 1/3] [Feature] Add Buffer Class, implement naive
 Buffer.from<T>()

---
 std/assembly/arraybuffer.ts                  |    1 +
 std/assembly/buffer.ts                       |   62 +
 std/assembly/index.d.ts                      |    5 +-
 tests/compiler/std/arraybuffer.optimized.wat |   24 +-
 tests/compiler/std/arraybuffer.untouched.wat |    8 +-
 tests/compiler/std/buffer.json               |    6 +
 tests/compiler/std/buffer.optimized.wat      | 2509 +++++++++++
 tests/compiler/std/buffer.ts                 |   28 +
 tests/compiler/std/buffer.untouched.wat      | 4161 ++++++++++++++++++
 tests/compiler/std/map.optimized.wat         |    2 +-
 tests/compiler/std/map.untouched.wat         |    2 +-
 tests/compiler/std/set.optimized.wat         |    2 +-
 tests/compiler/std/set.untouched.wat         |    2 +-
 tests/compiler/std/symbol.optimized.wat      |    2 +-
 tests/compiler/std/symbol.untouched.wat      |    2 +-
 15 files changed, 6793 insertions(+), 23 deletions(-)
 create mode 100644 std/assembly/buffer.ts
 create mode 100644 tests/compiler/std/buffer.json
 create mode 100644 tests/compiler/std/buffer.optimized.wat
 create mode 100644 tests/compiler/std/buffer.ts
 create mode 100644 tests/compiler/std/buffer.untouched.wat

diff --git a/std/assembly/arraybuffer.ts b/std/assembly/arraybuffer.ts
index ea44f6c6b9..2b40d36390 100644
--- a/std/assembly/arraybuffer.ts
+++ b/std/assembly/arraybuffer.ts
@@ -49,6 +49,7 @@ export abstract class ArrayBufferView {
       if (value instanceof Float32Array) return true;
       if (value instanceof Float64Array) return true;
       if (value instanceof DataView) return true;
+      if (value instanceof Buffer) return true;
     }
     return false;
   }
diff --git a/std/assembly/buffer.ts b/std/assembly/buffer.ts
new file mode 100644
index 0000000000..0a1073856e
--- /dev/null
+++ b/std/assembly/buffer.ts
@@ -0,0 +1,62 @@
+import { Uint8Array } from "typedarray";
+import { ArrayBufferView } from "arraybuffer";
+import { TypeinfoFlags } from "shared/typeinfo";
+
+export class Buffer extends Uint8Array {
+
+  // TODO: Add more
+  private static NO_ENCODING: i32 = 0;
+  private static UTF8_ENCODING: i32 = 1;
+  private static UTF16_ENCODING: i32 = 2;
+  private encoding: i32 = 0;
+
+  constructor(size: i32) {
+    super(size);
+  }
+
+  public static isBuffer<T>(obj: T): bool {
+    return obj instanceof Buffer && obj != null;
+  }
+
+  public static from<T>(source: T, encoding: string = "utf8"): Buffer {
+    if (source instanceof ArrayBuffer) {
+      let length = source.byteLength;
+      let buffer = new Buffer(length);
+      memory.copy(changetype<usize>(buffer.buffer), changetype<usize>(source), length);
+      return buffer;
+    } else if (source instanceof string) {
+      if (encoding == null) encoding = "utf8";
+
+      if (encoding == "utf8") {
+        let encoded = String.UTF8.encode(source);
+        let buffer = changetype<Buffer>(__alloc(offsetof<Buffer>(), idof<Buffer>()));
+        buffer.buffer = encoded;
+        buffer.dataStart = 0;
+        buffer.dataLength = encoded.byteLength;
+        return buffer;
+      } else if (encoding == "utf16") {
+        let encoded = String.UTF16.encode(source);
+        let buffer = changetype<Buffer>(__alloc(offsetof<Buffer>(), idof<Buffer>()));
+        buffer.buffer = encoded;
+        buffer.dataStart = 0;
+        buffer.dataLength = encoded.byteLength;
+        return buffer;
+      }
+      assert(false);
+      return null;
+    } else if (source instanceof ArrayBufferView) {
+      var sourceInfo = __typeinfo(idof<T>());
+      var sourceIsManaged = (sourceInfo & TypeinfoFlags.VALUE_MANAGED) != 0; // disallow this
+      assert(!sourceIsManaged);
+      let length = source.length;
+      let buffer = new Buffer(length);
+      for (let i = 0; i < length; i++) {
+        buffer[i] = <u8>source[i];
+      }
+      return buffer;
+    } else {
+      assert(false, "hit");
+      return null;
+    }
+  }
+}
diff --git a/std/assembly/index.d.ts b/std/assembly/index.d.ts
index cd4beeb5e1..ce2858ba1e 100644
--- a/std/assembly/index.d.ts
+++ b/std/assembly/index.d.ts
@@ -1,3 +1,5 @@
+import { Uint8Array } from "typedarray";
+
 /**
  * Environment definitions for compiling AssemblyScript to WebAssembly using asc.
  * @module std/assembly
@@ -1150,7 +1152,8 @@ declare abstract class TypedArray<T> implements ArrayBufferView<T> {
   /** The reverse() method reverses a typed array in place. The first typed array element becomes the last and the last becomes the first. This method has the same algorithm as Array.prototype.reverse(). */
   reverse(): this;
 }
-
+/** A node buffer. */
+declare class Buffer extends Uint8Array {}
 /** An array of twos-complement 8-bit signed integers. */
 declare class Int8Array extends TypedArray<i8> {}
 /** An array of 8-bit unsigned integers. */
diff --git a/tests/compiler/std/arraybuffer.optimized.wat b/tests/compiler/std/arraybuffer.optimized.wat
index 8520ac3206..302615e695 100644
--- a/tests/compiler/std/arraybuffer.optimized.wat
+++ b/tests/compiler/std/arraybuffer.optimized.wat
@@ -24,7 +24,7 @@
  (data (i32.const 376) "\14\00\00\00\01\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s")
  (data (i32.const 416) "\08\00\00\00\01\00\00\00\00\00\00\00\08\00\00\00\01\00\00\00\02")
  (data (i32.const 440) " \00\00\00\01\00\00\00\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00d\00a\00t\00a\00v\00i\00e\00w\00.\00t\00s")
- (data (i32.const 488) "\10\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\93\04\00\00\02\00\00\001\04\00\00\02\00\00\001\00\00\00\02\00\00\001\00\00\00\02\00\00\00Q\04\00\00\02\00\00\00Q\00\00\00\02\00\00\00\91\04\00\00\02\00\00\00\91\00\00\00\02\00\00\00\11\05\00\00\02\00\00\00\11\01\00\00\02\00\00\00\91\0c\00\00\02\00\00\00\11\0d\00\00\02\00\00\00\10")
+ (data (i32.const 488) "\11\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\93\04\00\00\02\00\00\001\04\00\00\02\00\00\001\00\00\00\02\00\00\001\00\00\00\02\00\00\00Q\04\00\00\02\00\00\00Q\00\00\00\02\00\00\00\91\04\00\00\02\00\00\00\91\00\00\00\02\00\00\00\11\05\00\00\02\00\00\00\11\01\00\00\02\00\00\00\91\0c\00\00\02\00\00\00\11\0d\00\00\02\00\00\00\10\00\00\00\00\00\00\001\00\00\00\05")
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
@@ -617,10 +617,10 @@
   if
    unreachable
   end
-  i32.const 624
+  i32.const 640
   i32.const 0
   i32.store
-  i32.const 2192
+  i32.const 2208
   i32.const 0
   i32.store
   i32.const 0
@@ -634,7 +634,7 @@
     local.get $0
     i32.const 2
     i32.shl
-    i32.const 624
+    i32.const 640
     i32.add
     i32.const 0
     i32.store offset=4
@@ -653,7 +653,7 @@
       i32.add
       i32.const 2
       i32.shl
-      i32.const 624
+      i32.const 640
       i32.add
       i32.const 0
       i32.store offset=96
@@ -671,13 +671,13 @@
     br $loop|0
    end
   end
-  i32.const 624
-  i32.const 2208
+  i32.const 640
+  i32.const 2224
   memory.size
   i32.const 16
   i32.shl
   call $~lib/rt/tlsf/addMemory
-  i32.const 624
+  i32.const 640
   global.set $~lib/rt/tlsf/ROOT
  )
  (func $~lib/rt/tlsf/prepareSize (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
@@ -1278,7 +1278,7 @@
  )
  (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  i32.const 620
+  i32.const 628
   i32.gt_u
   if
    local.get $0
@@ -1776,7 +1776,7 @@
  )
  (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  i32.const 620
+  i32.const 628
   i32.gt_u
   if
    local.get $0
@@ -2406,7 +2406,7 @@
  )
  (func $~lib/rt/pure/__visit (; 39 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   local.get $0
-  i32.const 620
+  i32.const 628
   i32.lt_u
   if
    return
@@ -2522,7 +2522,7 @@
      i32.const 8
      i32.sub
      i32.load
-     br_table $switch$1$case$2 $switch$1$case$2 $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $switch$1$default
+     br_table $switch$1$case$2 $switch$1$case$2 $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $switch$1$default
     end
     return
    end
diff --git a/tests/compiler/std/arraybuffer.untouched.wat b/tests/compiler/std/arraybuffer.untouched.wat
index 703d2aa797..25dd0be0d9 100644
--- a/tests/compiler/std/arraybuffer.untouched.wat
+++ b/tests/compiler/std/arraybuffer.untouched.wat
@@ -24,7 +24,7 @@
  (data (i32.const 376) "\14\00\00\00\01\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s\00")
  (data (i32.const 416) "\08\00\00\00\01\00\00\00\00\00\00\00\08\00\00\00\01\00\00\00\02\00\00\00")
  (data (i32.const 440) " \00\00\00\01\00\00\00\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00d\00a\00t\00a\00v\00i\00e\00w\00.\00t\00s\00")
- (data (i32.const 488) "\10\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\93\04\00\00\02\00\00\001\04\00\00\02\00\00\001\00\00\00\02\00\00\001\00\00\00\02\00\00\00Q\04\00\00\02\00\00\00Q\00\00\00\02\00\00\00\91\04\00\00\02\00\00\00\91\00\00\00\02\00\00\00\11\05\00\00\02\00\00\00\11\01\00\00\02\00\00\00\91\0c\00\00\02\00\00\00\11\0d\00\00\02\00\00\00\10\00\00\00\00\00\00\00")
+ (data (i32.const 488) "\11\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\93\04\00\00\02\00\00\001\04\00\00\02\00\00\001\00\00\00\02\00\00\001\00\00\00\02\00\00\00Q\04\00\00\02\00\00\00Q\00\00\00\02\00\00\00\91\04\00\00\02\00\00\00\91\00\00\00\02\00\00\00\11\05\00\00\02\00\00\00\11\01\00\00\02\00\00\00\91\0c\00\00\02\00\00\00\11\0d\00\00\02\00\00\00\10\00\00\00\00\00\00\001\00\00\00\05\00\00\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
@@ -34,7 +34,7 @@
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (global $~lib/argc (mut i32) (i32.const 0))
  (global $~lib/rt/__rtti_base i32 (i32.const 488))
- (global $~lib/heap/__heap_base i32 (i32.const 620))
+ (global $~lib/heap/__heap_base i32 (i32.const 628))
  (export "memory" (memory $0))
  (start $start)
  (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
@@ -1665,7 +1665,7 @@
   if
    i32.const 24
    i32.const 72
-   i32.const 57
+   i32.const 58
    i32.const 42
    call $~lib/builtins/abort
    unreachable
@@ -4265,7 +4265,7 @@
        i32.const 8
        i32.sub
        i32.load
-       br_table $switch$1$case$2 $switch$1$case$2 $switch$1$case$4 $switch$1$case$5 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$default
+       br_table $switch$1$case$2 $switch$1$case$2 $switch$1$case$4 $switch$1$case$5 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$default
       end
       return
      end
diff --git a/tests/compiler/std/buffer.json b/tests/compiler/std/buffer.json
new file mode 100644
index 0000000000..9f7878d475
--- /dev/null
+++ b/tests/compiler/std/buffer.json
@@ -0,0 +1,6 @@
+{
+  "asc_flags": [
+    "--runtime half",
+    "--use ASC_RTRACE=1"
+  ]
+}
\ No newline at end of file
diff --git a/tests/compiler/std/buffer.optimized.wat b/tests/compiler/std/buffer.optimized.wat
new file mode 100644
index 0000000000..6de6b15ad2
--- /dev/null
+++ b/tests/compiler/std/buffer.optimized.wat
@@ -0,0 +1,2509 @@
+(module
+ (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
+ (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
+ (type $FUNCSIG$v (func))
+ (type $FUNCSIG$vii (func (param i32 i32)))
+ (type $FUNCSIG$ii (func (param i32) (result i32)))
+ (type $FUNCSIG$viii (func (param i32 i32 i32)))
+ (type $FUNCSIG$vi (func (param i32)))
+ (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
+ (type $FUNCSIG$dii (func (param i32 i32) (result f64)))
+ (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
+ (import "rtrace" "onalloc" (func $~lib/rt/rtrace/onalloc (param i32)))
+ (import "rtrace" "onincrement" (func $~lib/rt/rtrace/onincrement (param i32)))
+ (import "rtrace" "ondecrement" (func $~lib/rt/rtrace/ondecrement (param i32)))
+ (import "rtrace" "onfree" (func $~lib/rt/rtrace/onfree (param i32)))
+ (memory $0 1)
+ (data (i32.const 8) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h")
+ (data (i32.const 56) "&\00\00\00\01\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s")
+ (data (i32.const 112) "\1e\00\00\00\01\00\00\00\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00t\00l\00s\00f\00.\00t\00s")
+ (data (i32.const 160) "(\00\00\00\01\00\00\00\01\00\00\00(\00\00\00a\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e")
+ (data (i32.const 216) "\1e\00\00\00\01\00\00\00\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00p\00u\00r\00e\00.\00t\00s")
+ (data (i32.const 264) "$\00\00\00\01\00\00\00\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e")
+ (data (i32.const 320) "\14\00\00\00\01\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s")
+ (data (i32.const 360) "$\00\00\00\01\00\00\00\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 416) "\1a\00\00\00\01\00\00\00\01\00\00\00\1a\00\00\00s\00t\00d\00/\00b\00u\00f\00f\00e\00r\00.\00t\00s")
+ (data (i32.const 464) "\1c\00\00\00\01\00\00\00\00\00\00\00\1c\00\00\00\01\00\00\00\02\00\00\00\03\00\00\00\04\00\00\00\05\00\00\00\06\00\00\00\01\01")
+ (data (i32.const 512) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00b\00u\00f\00f\00e\00r\00.\00t\00s")
+ (data (i32.const 560) "\1a\00\00\00\01\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 608) "\08\00\00\00\01\00\00\00\01\00\00\00\08\00\00\00u\00t\00f\008")
+ (data (i32.const 632) " \00\00\00\01\00\00\00\00\00\00\00 \00\00\00\9a\99\99\99\99\99\f1?\9a\99\99\99\99\99\01@ffffff\n@\9a\99\99\99\99\99\11@")
+ (data (i32.const 680) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02")
+ (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
+ (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
+ (global $~lib/rt/pure/END (mut i32) (i32.const 0))
+ (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
+ (export "memory" (memory $0))
+ (start $start)
+ (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  local.get $1
+  i32.load
+  local.tee $3
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 277
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const -4
+  i32.and
+  local.tee $2
+  i32.const 16
+  i32.ge_u
+  if (result i32)
+   local.get $2
+   i32.const 1073741808
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 279
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const 256
+  i32.lt_u
+  if (result i32)
+   local.get $2
+   i32.const 4
+   i32.shr_u
+   local.set $2
+   i32.const 0
+  else   
+   local.get $2
+   i32.const 31
+   local.get $2
+   i32.clz
+   i32.sub
+   local.tee $3
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 16
+   i32.xor
+   local.set $2
+   local.get $3
+   i32.const 7
+   i32.sub
+  end
+  local.tee $3
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $2
+   i32.const 16
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 292
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load offset=20
+  local.set $4
+  local.get $1
+  i32.load offset=16
+  local.tee $5
+  if
+   local.get $5
+   local.get $4
+   i32.store offset=20
+  end
+  local.get $4
+  if
+   local.get $4
+   local.get $5
+   i32.store offset=16
+  end
+  local.get $3
+  i32.const 4
+  i32.shl
+  local.get $2
+  i32.add
+  i32.const 2
+  i32.shl
+  local.get $0
+  i32.add
+  i32.load offset=96
+  local.get $1
+  i32.eq
+  if
+   local.get $3
+   i32.const 4
+   i32.shl
+   local.get $2
+   i32.add
+   i32.const 2
+   i32.shl
+   local.get $0
+   i32.add
+   local.get $4
+   i32.store offset=96
+   local.get $4
+   i32.eqz
+   if
+    local.get $3
+    i32.const 2
+    i32.shl
+    local.get $0
+    i32.add
+    local.get $3
+    i32.const 2
+    i32.shl
+    local.get $0
+    i32.add
+    i32.load offset=4
+    i32.const 1
+    local.get $2
+    i32.shl
+    i32.const -1
+    i32.xor
+    i32.and
+    local.tee $1
+    i32.store offset=4
+    local.get $1
+    i32.eqz
+    if
+     local.get $0
+     local.get $0
+     i32.load
+     i32.const 1
+     local.get $3
+     i32.shl
+     i32.const -1
+     i32.xor
+     i32.and
+     i32.store
+    end
+   end
+  end
+ )
+ (func $~lib/rt/tlsf/insertBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  local.get $1
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 205
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load
+  local.tee $3
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 207
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 16
+  i32.add
+  local.get $1
+  i32.load
+  i32.const -4
+  i32.and
+  i32.add
+  local.tee $4
+  i32.load
+  local.tee $5
+  i32.const 1
+  i32.and
+  if
+   local.get $3
+   i32.const -4
+   i32.and
+   i32.const 16
+   i32.add
+   local.get $5
+   i32.const -4
+   i32.and
+   i32.add
+   local.tee $2
+   i32.const 1073741808
+   i32.lt_u
+   if
+    local.get $0
+    local.get $4
+    call $~lib/rt/tlsf/removeBlock
+    local.get $1
+    local.get $3
+    i32.const 3
+    i32.and
+    local.get $2
+    i32.or
+    local.tee $3
+    i32.store
+    local.get $1
+    i32.const 16
+    i32.add
+    local.get $1
+    i32.load
+    i32.const -4
+    i32.and
+    i32.add
+    local.tee $4
+    i32.load
+    local.set $5
+   end
+  end
+  local.get $3
+  i32.const 2
+  i32.and
+  if
+   local.get $1
+   i32.const 4
+   i32.sub
+   i32.load
+   local.tee $2
+   i32.load
+   local.tee $6
+   i32.const 1
+   i32.and
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 228
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $6
+   i32.const -4
+   i32.and
+   i32.const 16
+   i32.add
+   local.get $3
+   i32.const -4
+   i32.and
+   i32.add
+   local.tee $7
+   i32.const 1073741808
+   i32.lt_u
+   if (result i32)
+    local.get $0
+    local.get $2
+    call $~lib/rt/tlsf/removeBlock
+    local.get $2
+    local.get $6
+    i32.const 3
+    i32.and
+    local.get $7
+    i32.or
+    local.tee $3
+    i32.store
+    local.get $2
+   else    
+    local.get $1
+   end
+   local.set $1
+  end
+  local.get $4
+  local.get $5
+  i32.const 2
+  i32.or
+  i32.store
+  local.get $3
+  i32.const -4
+  i32.and
+  local.tee $2
+  i32.const 16
+  i32.ge_u
+  if (result i32)
+   local.get $2
+   i32.const 1073741808
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 243
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $4
+  local.get $1
+  i32.const 16
+  i32.add
+  local.get $2
+  i32.add
+  i32.ne
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 244
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $4
+  i32.const 4
+  i32.sub
+  local.get $1
+  i32.store
+  local.get $2
+  i32.const 256
+  i32.lt_u
+  if (result i32)
+   local.get $2
+   i32.const 4
+   i32.shr_u
+   local.set $4
+   i32.const 0
+  else   
+   local.get $2
+   i32.const 31
+   local.get $2
+   i32.clz
+   i32.sub
+   local.tee $2
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 16
+   i32.xor
+   local.set $4
+   local.get $2
+   i32.const 7
+   i32.sub
+  end
+  local.tee $3
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $4
+   i32.const 16
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 260
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const 4
+  i32.shl
+  local.get $4
+  i32.add
+  i32.const 2
+  i32.shl
+  local.get $0
+  i32.add
+  i32.load offset=96
+  local.set $2
+  local.get $1
+  i32.const 0
+  i32.store offset=16
+  local.get $1
+  local.get $2
+  i32.store offset=20
+  local.get $2
+  if
+   local.get $2
+   local.get $1
+   i32.store offset=16
+  end
+  local.get $3
+  i32.const 4
+  i32.shl
+  local.get $4
+  i32.add
+  i32.const 2
+  i32.shl
+  local.get $0
+  i32.add
+  local.get $1
+  i32.store offset=96
+  local.get $0
+  local.get $0
+  i32.load
+  i32.const 1
+  local.get $3
+  i32.shl
+  i32.or
+  i32.store
+  local.get $3
+  i32.const 2
+  i32.shl
+  local.get $0
+  i32.add
+  local.get $3
+  i32.const 2
+  i32.shl
+  local.get $0
+  i32.add
+  i32.load offset=4
+  i32.const 1
+  local.get $4
+  i32.shl
+  i32.or
+  i32.store offset=4
+ )
+ (func $~lib/rt/tlsf/addMemory (; 7 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  local.get $2
+  i32.const 15
+  i32.and
+  i32.eqz
+  i32.const 0
+  local.get $1
+  i32.const 15
+  i32.and
+  i32.eqz
+  i32.const 0
+  local.get $1
+  local.get $2
+  i32.le_u
+  select
+  select
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 386
+   i32.const 4
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=1568
+  local.tee $3
+  if
+   local.get $1
+   local.get $3
+   i32.const 16
+   i32.add
+   i32.lt_u
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 396
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $1
+   i32.const 16
+   i32.sub
+   local.get $3
+   i32.eq
+   if
+    local.get $3
+    i32.load
+    local.set $4
+    local.get $1
+    i32.const 16
+    i32.sub
+    local.set $1
+   end
+  else   
+   local.get $1
+   local.get $0
+   i32.const 1572
+   i32.add
+   i32.lt_u
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 408
+    i32.const 4
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $2
+  local.get $1
+  i32.sub
+  local.tee $2
+  i32.const 48
+  i32.lt_u
+  if
+   return
+  end
+  local.get $1
+  local.get $4
+  i32.const 2
+  i32.and
+  local.get $2
+  i32.const 32
+  i32.sub
+  i32.const 1
+  i32.or
+  i32.or
+  i32.store
+  local.get $1
+  i32.const 0
+  i32.store offset=16
+  local.get $1
+  i32.const 0
+  i32.store offset=20
+  local.get $1
+  local.get $2
+  i32.add
+  i32.const 16
+  i32.sub
+  local.tee $2
+  i32.const 2
+  i32.store
+  local.get $0
+  local.get $2
+  i32.store offset=1568
+  local.get $0
+  local.get $1
+  call $~lib/rt/tlsf/insertBlock
+ )
+ (func $~lib/rt/tlsf/initializeRoot (; 8 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  i32.const 1
+  memory.size
+  local.tee $0
+  i32.gt_s
+  if (result i32)
+   i32.const 1
+   local.get $0
+   i32.sub
+   memory.grow
+   i32.const 0
+   i32.lt_s
+  else   
+   i32.const 0
+  end
+  if
+   unreachable
+  end
+  i32.const 752
+  i32.const 0
+  i32.store
+  i32.const 2320
+  i32.const 0
+  i32.store
+  i32.const 0
+  local.set $0
+  loop $loop|0
+   block $break|0
+    local.get $0
+    i32.const 23
+    i32.ge_u
+    br_if $break|0
+    local.get $0
+    i32.const 2
+    i32.shl
+    i32.const 752
+    i32.add
+    i32.const 0
+    i32.store offset=4
+    i32.const 0
+    local.set $1
+    loop $loop|1
+     block $break|1
+      local.get $1
+      i32.const 16
+      i32.ge_u
+      br_if $break|1
+      local.get $0
+      i32.const 4
+      i32.shl
+      local.get $1
+      i32.add
+      i32.const 2
+      i32.shl
+      i32.const 752
+      i32.add
+      i32.const 0
+      i32.store offset=96
+      local.get $1
+      i32.const 1
+      i32.add
+      local.set $1
+      br $loop|1
+     end
+    end
+    local.get $0
+    i32.const 1
+    i32.add
+    local.set $0
+    br $loop|0
+   end
+  end
+  i32.const 752
+  i32.const 2336
+  memory.size
+  i32.const 16
+  i32.shl
+  call $~lib/rt/tlsf/addMemory
+  i32.const 752
+  global.set $~lib/rt/tlsf/ROOT
+ )
+ (func $~lib/rt/tlsf/prepareSize (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.const 1073741808
+  i32.ge_u
+  if
+   i32.const 176
+   i32.const 128
+   i32.const 448
+   i32.const 29
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 15
+  i32.add
+  i32.const -16
+  i32.and
+  local.tee $0
+  i32.const 16
+  local.get $0
+  i32.const 16
+  i32.gt_u
+  select
+ )
+ (func $~lib/rt/tlsf/searchBlock (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  local.get $1
+  i32.const 256
+  i32.lt_u
+  if (result i32)
+   local.get $1
+   i32.const 4
+   i32.shr_u
+   local.set $1
+   i32.const 0
+  else   
+   local.get $1
+   i32.const 536870904
+   i32.lt_u
+   if
+    i32.const 1
+    i32.const 27
+    local.get $1
+    i32.clz
+    i32.sub
+    i32.shl
+    local.get $1
+    i32.add
+    i32.const 1
+    i32.sub
+    local.set $1
+   end
+   local.get $1
+   i32.const 31
+   local.get $1
+   i32.clz
+   i32.sub
+   local.tee $2
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 16
+   i32.xor
+   local.set $1
+   local.get $2
+   i32.const 7
+   i32.sub
+  end
+  local.tee $2
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $1
+   i32.const 16
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 338
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const 2
+  i32.shl
+  local.get $0
+  i32.add
+  i32.load offset=4
+  i32.const -1
+  local.get $1
+  i32.shl
+  i32.and
+  local.tee $1
+  if (result i32)
+   local.get $1
+   i32.ctz
+   local.get $2
+   i32.const 4
+   i32.shl
+   i32.add
+   i32.const 2
+   i32.shl
+   local.get $0
+   i32.add
+   i32.load offset=96
+  else   
+   local.get $0
+   i32.load
+   i32.const -1
+   local.get $2
+   i32.const 1
+   i32.add
+   i32.shl
+   i32.and
+   local.tee $1
+   if (result i32)
+    local.get $1
+    i32.ctz
+    local.tee $1
+    i32.const 2
+    i32.shl
+    local.get $0
+    i32.add
+    i32.load offset=4
+    local.tee $2
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 128
+     i32.const 351
+     i32.const 17
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $2
+    i32.ctz
+    local.get $1
+    i32.const 4
+    i32.shl
+    i32.add
+    i32.const 2
+    i32.shl
+    local.get $0
+    i32.add
+    i32.load offset=96
+   else    
+    i32.const 0
+   end
+  end
+ )
+ (func $~lib/rt/tlsf/growMemory (; 11 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  memory.size
+  local.tee $2
+  local.get $1
+  i32.const 65535
+  i32.add
+  i32.const -65536
+  i32.and
+  i32.const 16
+  i32.shr_u
+  local.tee $1
+  local.get $2
+  local.get $1
+  i32.gt_s
+  select
+  memory.grow
+  i32.const 0
+  i32.lt_s
+  if
+   local.get $1
+   memory.grow
+   i32.const 0
+   i32.lt_s
+   if
+    unreachable
+   end
+  end
+  local.get $0
+  local.get $2
+  i32.const 16
+  i32.shl
+  memory.size
+  i32.const 16
+  i32.shl
+  call $~lib/rt/tlsf/addMemory
+ )
+ (func $~lib/rt/tlsf/prepareBlock (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  local.get $1
+  i32.load
+  local.set $3
+  local.get $2
+  i32.const 15
+  i32.and
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 365
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const -4
+  i32.and
+  local.get $2
+  i32.sub
+  local.tee $4
+  i32.const 32
+  i32.ge_u
+  if
+   local.get $1
+   local.get $3
+   i32.const 2
+   i32.and
+   local.get $2
+   i32.or
+   i32.store
+   local.get $1
+   i32.const 16
+   i32.add
+   local.get $2
+   i32.add
+   local.tee $1
+   local.get $4
+   i32.const 16
+   i32.sub
+   i32.const 1
+   i32.or
+   i32.store
+   local.get $0
+   local.get $1
+   call $~lib/rt/tlsf/insertBlock
+  else   
+   local.get $1
+   local.get $3
+   i32.const -2
+   i32.and
+   i32.store
+   local.get $1
+   i32.const 16
+   i32.add
+   local.get $1
+   i32.load
+   i32.const -4
+   i32.and
+   i32.add
+   local.get $1
+   i32.const 16
+   i32.add
+   local.get $1
+   i32.load
+   i32.const -4
+   i32.and
+   i32.add
+   i32.load
+   i32.const -3
+   i32.and
+   i32.store
+  end
+ )
+ (func $~lib/rt/tlsf/allocateBlock (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  local.get $1
+  call $~lib/rt/tlsf/prepareSize
+  local.tee $3
+  call $~lib/rt/tlsf/searchBlock
+  local.tee $2
+  i32.eqz
+  if
+   local.get $0
+   local.get $3
+   call $~lib/rt/tlsf/growMemory
+   local.get $0
+   local.get $3
+   call $~lib/rt/tlsf/searchBlock
+   local.tee $2
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 478
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $2
+  i32.load
+  i32.const -4
+  i32.and
+  local.get $3
+  i32.lt_u
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 480
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const 0
+  i32.store offset=4
+  local.get $2
+  local.get $1
+  i32.store offset=12
+  local.get $0
+  local.get $2
+  call $~lib/rt/tlsf/removeBlock
+  local.get $0
+  local.get $2
+  local.get $3
+  call $~lib/rt/tlsf/prepareBlock
+  local.get $2
+  call $~lib/rt/rtrace/onalloc
+  local.get $2
+ )
+ (func $~lib/rt/tlsf/__alloc (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  global.get $~lib/rt/tlsf/ROOT
+  local.tee $2
+  if (result i32)
+   local.get $2
+  else   
+   call $~lib/rt/tlsf/initializeRoot
+   global.get $~lib/rt/tlsf/ROOT
+  end
+  local.get $0
+  call $~lib/rt/tlsf/allocateBlock
+  local.tee $0
+  local.get $1
+  i32.store offset=8
+  local.get $0
+  i32.const 16
+  i32.add
+ )
+ (func $~lib/memory/memory.fill (; 15 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  block $~lib/util/memory/memset|inlined.0
+   local.get $1
+   i32.eqz
+   br_if $~lib/util/memory/memset|inlined.0
+   local.get $0
+   i32.const 0
+   i32.store8
+   local.get $0
+   local.get $1
+   i32.add
+   i32.const 1
+   i32.sub
+   i32.const 0
+   i32.store8
+   local.get $1
+   i32.const 2
+   i32.le_u
+   br_if $~lib/util/memory/memset|inlined.0
+   local.get $0
+   i32.const 1
+   i32.add
+   i32.const 0
+   i32.store8
+   local.get $0
+   i32.const 2
+   i32.add
+   i32.const 0
+   i32.store8
+   local.get $0
+   local.get $1
+   i32.add
+   local.tee $2
+   i32.const 2
+   i32.sub
+   i32.const 0
+   i32.store8
+   local.get $2
+   i32.const 3
+   i32.sub
+   i32.const 0
+   i32.store8
+   local.get $1
+   i32.const 6
+   i32.le_u
+   br_if $~lib/util/memory/memset|inlined.0
+   local.get $0
+   i32.const 3
+   i32.add
+   i32.const 0
+   i32.store8
+   local.get $0
+   local.get $1
+   i32.add
+   i32.const 4
+   i32.sub
+   i32.const 0
+   i32.store8
+   local.get $1
+   i32.const 8
+   i32.le_u
+   br_if $~lib/util/memory/memset|inlined.0
+   local.get $1
+   i32.const 0
+   local.get $0
+   i32.sub
+   i32.const 3
+   i32.and
+   local.tee $1
+   i32.sub
+   local.get $0
+   local.get $1
+   i32.add
+   local.tee $0
+   i32.const 0
+   i32.store
+   i32.const -4
+   i32.and
+   local.tee $1
+   local.get $0
+   i32.add
+   i32.const 4
+   i32.sub
+   i32.const 0
+   i32.store
+   local.get $1
+   i32.const 8
+   i32.le_u
+   br_if $~lib/util/memory/memset|inlined.0
+   local.get $0
+   i32.const 4
+   i32.add
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 8
+   i32.add
+   i32.const 0
+   i32.store
+   local.get $0
+   local.get $1
+   i32.add
+   local.tee $2
+   i32.const 12
+   i32.sub
+   i32.const 0
+   i32.store
+   local.get $2
+   i32.const 8
+   i32.sub
+   i32.const 0
+   i32.store
+   local.get $1
+   i32.const 24
+   i32.le_u
+   br_if $~lib/util/memory/memset|inlined.0
+   local.get $0
+   i32.const 12
+   i32.add
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 16
+   i32.add
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 20
+   i32.add
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 24
+   i32.add
+   i32.const 0
+   i32.store
+   local.get $0
+   local.get $1
+   i32.add
+   local.tee $2
+   i32.const 28
+   i32.sub
+   i32.const 0
+   i32.store
+   local.get $2
+   i32.const 24
+   i32.sub
+   i32.const 0
+   i32.store
+   local.get $2
+   i32.const 20
+   i32.sub
+   i32.const 0
+   i32.store
+   local.get $2
+   i32.const 16
+   i32.sub
+   i32.const 0
+   i32.store
+   local.get $0
+   i32.const 4
+   i32.and
+   i32.const 24
+   i32.add
+   local.tee $2
+   local.get $0
+   i32.add
+   local.set $0
+   local.get $1
+   local.get $2
+   i32.sub
+   local.set $1
+   loop $continue|0
+    local.get $1
+    i32.const 32
+    i32.ge_u
+    if
+     local.get $0
+     i64.const 0
+     i64.store
+     local.get $0
+     i32.const 8
+     i32.add
+     i64.const 0
+     i64.store
+     local.get $0
+     i32.const 16
+     i32.add
+     i64.const 0
+     i64.store
+     local.get $0
+     i32.const 24
+     i32.add
+     i64.const 0
+     i64.store
+     local.get $1
+     i32.const 32
+     i32.sub
+     local.set $1
+     local.get $0
+     i32.const 32
+     i32.add
+     local.set $0
+     br $continue|0
+    end
+   end
+  end
+ )
+ (func $~lib/rt/pure/increment (; 16 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.tee $1
+  i32.const -268435456
+  i32.and
+  local.get $1
+  i32.const 1
+  i32.add
+  i32.const -268435456
+  i32.and
+  i32.ne
+  if
+   i32.const 0
+   i32.const 232
+   i32.const 104
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.get $1
+  i32.const 1
+  i32.add
+  i32.store offset=4
+  local.get $0
+  call $~lib/rt/rtrace/onincrement
+  local.get $0
+  i32.load
+  i32.const 1
+  i32.and
+  if
+   i32.const 0
+   i32.const 232
+   i32.const 107
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+ )
+ (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.const 740
+  i32.gt_u
+  if
+   local.get $0
+   i32.const 16
+   i32.sub
+   call $~lib/rt/pure/increment
+  end
+  local.get $0
+ )
+ (func $~lib/rt/tlsf/freeBlock (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  local.get $1
+  i32.load
+  local.tee $2
+  i32.const 1
+  i32.and
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 537
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  local.get $2
+  i32.const 1
+  i32.or
+  i32.store
+  local.get $0
+  local.get $1
+  call $~lib/rt/tlsf/insertBlock
+  local.get $1
+  call $~lib/rt/rtrace/onfree
+ )
+ (func $~lib/rt/__typeinfo (; 19 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.const 680
+  i32.load
+  i32.gt_u
+  if
+   i32.const 280
+   i32.const 336
+   i32.const 22
+   i32.const 27
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  i32.shl
+  i32.const 684
+  i32.add
+  i32.load
+ )
+ (func $~lib/memory/memory.copy (; 20 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  block $~lib/util/memory/memmove|inlined.0
+   local.get $2
+   local.set $3
+   local.get $0
+   local.get $1
+   i32.eq
+   br_if $~lib/util/memory/memmove|inlined.0
+   local.get $0
+   local.get $1
+   i32.lt_u
+   if
+    local.get $1
+    i32.const 7
+    i32.and
+    local.get $0
+    i32.const 7
+    i32.and
+    i32.eq
+    if
+     loop $continue|0
+      local.get $0
+      i32.const 7
+      i32.and
+      if
+       local.get $3
+       i32.eqz
+       br_if $~lib/util/memory/memmove|inlined.0
+       local.get $3
+       i32.const 1
+       i32.sub
+       local.set $3
+       local.get $0
+       local.tee $2
+       i32.const 1
+       i32.add
+       local.set $0
+       local.get $1
+       local.tee $4
+       i32.const 1
+       i32.add
+       local.set $1
+       local.get $2
+       local.get $4
+       i32.load8_u
+       i32.store8
+       br $continue|0
+      end
+     end
+     loop $continue|1
+      local.get $3
+      i32.const 8
+      i32.lt_u
+      i32.eqz
+      if
+       local.get $0
+       local.get $1
+       i64.load
+       i64.store
+       local.get $3
+       i32.const 8
+       i32.sub
+       local.set $3
+       local.get $0
+       i32.const 8
+       i32.add
+       local.set $0
+       local.get $1
+       i32.const 8
+       i32.add
+       local.set $1
+       br $continue|1
+      end
+     end
+    end
+    loop $continue|2
+     local.get $3
+     if
+      local.get $0
+      local.tee $2
+      i32.const 1
+      i32.add
+      local.set $0
+      local.get $1
+      local.tee $4
+      i32.const 1
+      i32.add
+      local.set $1
+      local.get $2
+      local.get $4
+      i32.load8_u
+      i32.store8
+      local.get $3
+      i32.const 1
+      i32.sub
+      local.set $3
+      br $continue|2
+     end
+    end
+   else    
+    local.get $1
+    i32.const 7
+    i32.and
+    local.get $0
+    i32.const 7
+    i32.and
+    i32.eq
+    if
+     loop $continue|3
+      local.get $0
+      local.get $3
+      i32.add
+      i32.const 7
+      i32.and
+      if
+       local.get $3
+       i32.eqz
+       br_if $~lib/util/memory/memmove|inlined.0
+       local.get $0
+       local.get $3
+       i32.const 1
+       i32.sub
+       local.tee $3
+       i32.add
+       local.get $1
+       local.get $3
+       i32.add
+       i32.load8_u
+       i32.store8
+       br $continue|3
+      end
+     end
+     loop $continue|4
+      local.get $3
+      i32.const 8
+      i32.lt_u
+      i32.eqz
+      if
+       local.get $0
+       local.get $3
+       i32.const 8
+       i32.sub
+       local.tee $3
+       i32.add
+       local.get $1
+       local.get $3
+       i32.add
+       i64.load
+       i64.store
+       br $continue|4
+      end
+     end
+    end
+    loop $continue|5
+     local.get $3
+     if
+      local.get $0
+      local.get $3
+      i32.const 1
+      i32.sub
+      local.tee $3
+      i32.add
+      local.get $1
+      local.get $3
+      i32.add
+      i32.load8_u
+      i32.store8
+      br $continue|5
+     end
+    end
+   end
+  end
+ )
+ (func $~lib/rt/tlsf/__free (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
+  global.get $~lib/rt/tlsf/ROOT
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 567
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 15
+  i32.and
+  i32.eqz
+  i32.const 0
+  local.get $0
+  select
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 568
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  local.get $0
+  i32.const 16
+  i32.sub
+  call $~lib/rt/tlsf/freeBlock
+ )
+ (func $~lib/rt/pure/growRoots (; 22 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  global.get $~lib/rt/pure/CUR
+  global.get $~lib/rt/pure/ROOTS
+  local.tee $1
+  i32.sub
+  local.tee $2
+  i32.const 1
+  i32.shl
+  local.tee $0
+  i32.const 256
+  local.get $0
+  i32.const 256
+  i32.gt_u
+  select
+  local.tee $3
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.tee $0
+  i32.const 16
+  i32.sub
+  call $~lib/rt/rtrace/onfree
+  local.get $0
+  local.get $1
+  local.get $2
+  call $~lib/memory/memory.copy
+  local.get $1
+  if
+   local.get $1
+   i32.const 16
+   i32.sub
+   call $~lib/rt/rtrace/onalloc
+   local.get $1
+   call $~lib/rt/tlsf/__free
+  end
+  local.get $0
+  global.set $~lib/rt/pure/ROOTS
+  local.get $0
+  local.get $2
+  i32.add
+  global.set $~lib/rt/pure/CUR
+  local.get $0
+  local.get $3
+  i32.add
+  global.set $~lib/rt/pure/END
+ )
+ (func $~lib/rt/pure/appendRoot (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  global.get $~lib/rt/pure/CUR
+  local.tee $1
+  global.get $~lib/rt/pure/END
+  i32.ge_u
+  if
+   call $~lib/rt/pure/growRoots
+   global.get $~lib/rt/pure/CUR
+   local.set $1
+  end
+  local.get $1
+  local.get $0
+  i32.store
+  local.get $1
+  i32.const 4
+  i32.add
+  global.set $~lib/rt/pure/CUR
+ )
+ (func $~lib/rt/pure/decrement (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  local.get $0
+  i32.load offset=4
+  local.tee $2
+  i32.const 268435455
+  i32.and
+  local.set $1
+  local.get $0
+  call $~lib/rt/rtrace/ondecrement
+  local.get $0
+  i32.load
+  i32.const 1
+  i32.and
+  if
+   i32.const 0
+   i32.const 232
+   i32.const 115
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 1
+  i32.eq
+  if
+   local.get $0
+   i32.const 16
+   i32.add
+   i32.const 1
+   call $~lib/rt/__visit_members
+   local.get $2
+   i32.const -2147483648
+   i32.and
+   if
+    local.get $0
+    i32.const -2147483648
+    i32.store offset=4
+   else    
+    global.get $~lib/rt/tlsf/ROOT
+    local.get $0
+    call $~lib/rt/tlsf/freeBlock
+   end
+  else   
+   local.get $1
+   i32.const 0
+   i32.le_u
+   if
+    i32.const 0
+    i32.const 232
+    i32.const 124
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $0
+   i32.load offset=8
+   call $~lib/rt/__typeinfo
+   i32.const 16
+   i32.and
+   if
+    local.get $0
+    local.get $1
+    i32.const 1
+    i32.sub
+    local.get $2
+    i32.const -268435456
+    i32.and
+    i32.or
+    i32.store offset=4
+   else    
+    local.get $0
+    local.get $1
+    i32.const 1
+    i32.sub
+    i32.const -1342177280
+    i32.or
+    i32.store offset=4
+    local.get $2
+    i32.const -2147483648
+    i32.and
+    i32.eqz
+    if
+     local.get $0
+     call $~lib/rt/pure/appendRoot
+    end
+   end
+  end
+ )
+ (func $~lib/rt/pure/__release (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+  local.get $0
+  i32.const 740
+  i32.gt_u
+  if
+   local.get $0
+   i32.const 16
+   i32.sub
+   call $~lib/rt/pure/decrement
+  end
+ )
+ (func $~lib/arraybuffer/ArrayBufferView#constructor (; 26 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $1
+  i32.const 1073741808
+  i32.gt_u
+  if
+   i32.const 24
+   i32.const 72
+   i32.const 14
+   i32.const 56
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.tee $2
+  local.get $1
+  call $~lib/memory/memory.fill
+  local.get $0
+  i32.eqz
+  if
+   i32.const 12
+   i32.const 2
+   call $~lib/rt/tlsf/__alloc
+   call $~lib/rt/pure/__retain
+   local.set $0
+  end
+  local.get $0
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.const 0
+  i32.store offset=4
+  local.get $0
+  i32.const 0
+  i32.store offset=8
+  local.get $2
+  local.get $0
+  i32.load
+  local.tee $3
+  i32.ne
+  if
+   local.get $2
+   call $~lib/rt/pure/__retain
+   drop
+   local.get $3
+   call $~lib/rt/pure/__release
+  end
+  local.get $0
+  local.get $2
+  i32.store
+  local.get $0
+  local.get $2
+  i32.store offset=4
+  local.get $0
+  local.get $1
+  i32.store offset=8
+  local.get $0
+ )
+ (func $~lib/buffer/Buffer#constructor (; 27 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  i32.const 16
+  i32.const 4
+  call $~lib/rt/tlsf/__alloc
+  call $~lib/rt/pure/__retain
+  local.tee $1
+  if (result i32)
+   local.get $1
+  else   
+   i32.const 12
+   i32.const 3
+   call $~lib/rt/tlsf/__alloc
+   call $~lib/rt/pure/__retain
+  end
+  local.get $0
+  call $~lib/arraybuffer/ArrayBufferView#constructor
+  local.tee $0
+  i32.const 0
+  i32.store offset=12
+  local.get $0
+ )
+ (func $~lib/typedarray/Uint8Array#__set (; 28 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 376
+   i32.const 131
+   i32.const 44
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.add
+  local.get $2
+  i32.store8
+ )
+ (func $~lib/typedarray/Uint8Array#__get (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 376
+   i32.const 125
+   i32.const 44
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.add
+  i32.load8_u
+ )
+ (func $~lib/rt/__allocArray (; 30 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+  (local $4 i32)
+  i32.const 16
+  local.get $2
+  call $~lib/rt/tlsf/__alloc
+  local.tee $2
+  local.get $0
+  local.get $1
+  i32.shl
+  local.tee $1
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.tee $4
+  call $~lib/rt/pure/__retain
+  i32.store
+  local.get $2
+  local.get $4
+  i32.store offset=4
+  local.get $2
+  local.get $1
+  i32.store offset=8
+  local.get $2
+  local.get $0
+  i32.store offset=12
+  local.get $3
+  if
+   local.get $4
+   local.get $3
+   local.get $1
+   call $~lib/memory/memory.copy
+  end
+  local.get $2
+ )
+ (func $~lib/array/Array<i32>#__get (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.const 2
+  i32.shr_u
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 576
+   i32.const 109
+   i32.const 61
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load
+ )
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 32 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 624
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 5
+  call $~lib/rt/__typeinfo
+  i32.const 8192
+  i32.and
+  if
+   i32.const 0
+   i32.const 528
+   i32.const 50
+   i32.const 6
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=12
+  local.tee $1
+  local.set $3
+  local.get $1
+  call $~lib/buffer/Buffer#constructor
+  local.set $1
+  loop $loop|0
+   local.get $2
+   local.get $3
+   i32.lt_s
+   if
+    local.get $1
+    local.get $2
+    local.get $0
+    local.get $2
+    call $~lib/array/Array<i32>#__get
+    i32.const 255
+    i32.and
+    call $~lib/typedarray/Uint8Array#__set
+    local.get $2
+    i32.const 1
+    i32.add
+    local.set $2
+    br $loop|0
+   end
+  end
+  local.get $0
+  call $~lib/rt/pure/__release
+  i32.const 624
+  call $~lib/rt/pure/__release
+  local.get $1
+ )
+ (func $~lib/array/Array<f64>#__get (; 33 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.const 3
+  i32.shr_u
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 576
+   i32.const 109
+   i32.const 61
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.const 3
+  i32.shl
+  i32.add
+  f64.load
+ )
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 34 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 624
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 6
+  call $~lib/rt/__typeinfo
+  i32.const 8192
+  i32.and
+  if
+   i32.const 0
+   i32.const 528
+   i32.const 50
+   i32.const 6
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=12
+  local.tee $1
+  local.set $3
+  local.get $1
+  call $~lib/buffer/Buffer#constructor
+  local.set $1
+  loop $loop|0
+   local.get $2
+   local.get $3
+   i32.lt_s
+   if
+    local.get $1
+    local.get $2
+    local.get $0
+    local.get $2
+    call $~lib/array/Array<f64>#__get
+    i32.trunc_f64_u
+    i32.const 255
+    i32.and
+    call $~lib/typedarray/Uint8Array#__set
+    local.get $2
+    i32.const 1
+    i32.add
+    local.set $2
+    br $loop|0
+   end
+  end
+  local.get $0
+  call $~lib/rt/pure/__release
+  i32.const 624
+  call $~lib/rt/pure/__release
+  local.get $1
+ )
+ (func $start:std/buffer (; 35 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  i32.const 3
+  call $~lib/buffer/Buffer#constructor
+  local.tee $1
+  i32.const 0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__set
+  local.get $1
+  i32.const 1
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__set
+  local.get $1
+  i32.const 2
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__set
+  local.get $1
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 8
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 9
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 2
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 10
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 7
+  i32.const 2
+  i32.const 5
+  i32.const 480
+  call $~lib/rt/__allocArray
+  call $~lib/rt/pure/__retain
+  local.tee $2
+  call $~lib/rt/pure/__retain
+  local.tee $3
+  call $~lib/buffer/Buffer.from<~lib/array/Array<i32>>
+  local.set $0
+  local.get $1
+  call $~lib/rt/pure/__release
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 14
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 2
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 15
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 3
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 16
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 4
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 17
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 4
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 5
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 18
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 5
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 6
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 19
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 6
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 20
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 4
+  i32.const 3
+  i32.const 6
+  i32.const 648
+  call $~lib/rt/__allocArray
+  call $~lib/rt/pure/__retain
+  local.tee $4
+  call $~lib/rt/pure/__retain
+  local.tee $5
+  call $~lib/buffer/Buffer.from<~lib/array/Array<f64>>
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.tee $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 24
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 2
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 25
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 3
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 26
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 4
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 27
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $2
+  call $~lib/rt/pure/__release
+  local.get $3
+  call $~lib/rt/pure/__release
+  local.get $4
+  call $~lib/rt/pure/__release
+  local.get $5
+  call $~lib/rt/pure/__release
+ )
+ (func $start (; 36 ;) (type $FUNCSIG$v)
+  call $start:std/buffer
+ )
+ (func $~lib/rt/pure/markGray (; 37 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.tee $1
+  i32.const 1879048192
+  i32.and
+  i32.const 268435456
+  i32.ne
+  if
+   local.get $0
+   local.get $1
+   i32.const -1879048193
+   i32.and
+   i32.const 268435456
+   i32.or
+   i32.store offset=4
+   local.get $0
+   i32.const 16
+   i32.add
+   i32.const 2
+   call $~lib/rt/__visit_members
+  end
+ )
+ (func $~lib/rt/pure/scanBlack (; 38 ;) (type $FUNCSIG$vi) (param $0 i32)
+  local.get $0
+  local.get $0
+  i32.load offset=4
+  i32.const -1879048193
+  i32.and
+  i32.store offset=4
+  local.get $0
+  i32.const 16
+  i32.add
+  i32.const 4
+  call $~lib/rt/__visit_members
+ )
+ (func $~lib/rt/pure/scan (; 39 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.tee $1
+  i32.const 1879048192
+  i32.and
+  i32.const 268435456
+  i32.eq
+  if
+   local.get $1
+   i32.const 268435455
+   i32.and
+   i32.const 0
+   i32.gt_u
+   if
+    local.get $0
+    call $~lib/rt/pure/scanBlack
+   else    
+    local.get $0
+    local.get $1
+    i32.const -1879048193
+    i32.and
+    i32.const 536870912
+    i32.or
+    i32.store offset=4
+    local.get $0
+    i32.const 16
+    i32.add
+    i32.const 3
+    call $~lib/rt/__visit_members
+   end
+  end
+ )
+ (func $~lib/rt/pure/collectWhite (; 40 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.tee $1
+  i32.const 1879048192
+  i32.and
+  i32.const 536870912
+  i32.eq
+  if (result i32)
+   local.get $1
+   i32.const -2147483648
+   i32.and
+   i32.eqz
+  else   
+   i32.const 0
+  end
+  if
+   local.get $0
+   local.get $1
+   i32.const -1879048193
+   i32.and
+   i32.store offset=4
+   local.get $0
+   i32.const 16
+   i32.add
+   i32.const 5
+   call $~lib/rt/__visit_members
+   global.get $~lib/rt/tlsf/ROOT
+   local.get $0
+   call $~lib/rt/tlsf/freeBlock
+  end
+ )
+ (func $~lib/rt/pure/__visit (; 41 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  local.get $0
+  i32.const 740
+  i32.lt_u
+  if
+   return
+  end
+  local.get $0
+  i32.const 16
+  i32.sub
+  local.set $0
+  block $break|0
+   block $case5|0
+    block $case4|0
+     block $case3|0
+      block $case2|0
+       block $case1|0
+        local.get $1
+        i32.const 1
+        i32.ne
+        if
+         local.get $1
+         i32.const 2
+         i32.eq
+         br_if $case1|0
+         block $tablify|0
+          local.get $1
+          i32.const 3
+          i32.sub
+          br_table $case2|0 $case3|0 $case4|0 $tablify|0
+         end
+         br $case5|0
+        end
+        local.get $0
+        call $~lib/rt/pure/decrement
+        br $break|0
+       end
+       local.get $0
+       i32.load offset=4
+       i32.const 268435455
+       i32.and
+       i32.const 0
+       i32.le_u
+       if
+        i32.const 0
+        i32.const 232
+        i32.const 75
+        i32.const 17
+        call $~lib/builtins/abort
+        unreachable
+       end
+       local.get $0
+       local.get $0
+       i32.load offset=4
+       i32.const 1
+       i32.sub
+       i32.store offset=4
+       local.get $0
+       call $~lib/rt/pure/markGray
+       br $break|0
+      end
+      local.get $0
+      call $~lib/rt/pure/scan
+      br $break|0
+     end
+     local.get $0
+     i32.load offset=4
+     local.tee $1
+     i32.const -268435456
+     i32.and
+     local.get $1
+     i32.const 1
+     i32.add
+     i32.const -268435456
+     i32.and
+     i32.ne
+     if
+      i32.const 0
+      i32.const 232
+      i32.const 86
+      i32.const 6
+      call $~lib/builtins/abort
+      unreachable
+     end
+     local.get $0
+     local.get $1
+     i32.const 1
+     i32.add
+     i32.store offset=4
+     local.get $1
+     i32.const 1879048192
+     i32.and
+     if
+      local.get $0
+      call $~lib/rt/pure/scanBlack
+     end
+     br $break|0
+    end
+    local.get $0
+    call $~lib/rt/pure/collectWhite
+    br $break|0
+   end
+   i32.const 0
+   i32.const 232
+   i32.const 97
+   i32.const 24
+   call $~lib/builtins/abort
+   unreachable
+  end
+ )
+ (func $~lib/rt/__visit_members (; 42 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  block $block$4$break
+   block $switch$1$default
+    block $switch$1$case$2
+     local.get $0
+     i32.const 8
+     i32.sub
+     i32.load
+     br_table $switch$1$case$2 $switch$1$case$2 $block$4$break $block$4$break $block$4$break $block$4$break $block$4$break $switch$1$default
+    end
+    return
+   end
+   unreachable
+  end
+  local.get $0
+  i32.load
+  local.tee $0
+  if
+   local.get $0
+   local.get $1
+   call $~lib/rt/pure/__visit
+  end
+ )
+ (func $null (; 43 ;) (type $FUNCSIG$v)
+  nop
+ )
+)
diff --git a/tests/compiler/std/buffer.ts b/tests/compiler/std/buffer.ts
new file mode 100644
index 0000000000..caf3c07a73
--- /dev/null
+++ b/tests/compiler/std/buffer.ts
@@ -0,0 +1,28 @@
+// Buffer.from /////////////////////////////////////////////////////////////////////////////////////
+{
+  let buffer = new Buffer(3);
+  buffer[0] = 0;
+  buffer[1] = 1;
+  buffer[2] = 2;
+
+  assert(buffer[0] == 0);
+  assert(buffer[1] == 1);
+  assert(buffer[2] == 2);
+
+  let i32array: i32[] = [1, 2, 3, 4, 5, 6, 257];
+  buffer = Buffer.from<i32[]>(i32array);
+  assert(buffer[0] == 1);
+  assert(buffer[1] == 2);
+  assert(buffer[2] == 3);
+  assert(buffer[3] == 4);
+  assert(buffer[4] == 5);
+  assert(buffer[5] == 6);
+  assert(buffer[6] == 1);
+
+  let f64array: f64[] = [1.1, 2.2, 3.3, 4.4];
+  buffer = Buffer.from<f64[]>(f64array);
+  assert(buffer[0] == <u8>1.1);
+  assert(buffer[1] == <u8>2.2);
+  assert(buffer[2] == <u8>3.3);
+  assert(buffer[3] == <u8>4.4);
+}
diff --git a/tests/compiler/std/buffer.untouched.wat b/tests/compiler/std/buffer.untouched.wat
new file mode 100644
index 0000000000..71d050843a
--- /dev/null
+++ b/tests/compiler/std/buffer.untouched.wat
@@ -0,0 +1,4161 @@
+(module
+ (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
+ (type $FUNCSIG$iiii (func (param i32 i32 i32) (result i32)))
+ (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
+ (type $FUNCSIG$v (func))
+ (type $FUNCSIG$vii (func (param i32 i32)))
+ (type $FUNCSIG$ii (func (param i32) (result i32)))
+ (type $FUNCSIG$viii (func (param i32 i32 i32)))
+ (type $FUNCSIG$vi (func (param i32)))
+ (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
+ (type $FUNCSIG$dii (func (param i32 i32) (result f64)))
+ (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
+ (import "rtrace" "onalloc" (func $~lib/rt/rtrace/onalloc (param i32)))
+ (import "rtrace" "onincrement" (func $~lib/rt/rtrace/onincrement (param i32)))
+ (import "rtrace" "ondecrement" (func $~lib/rt/rtrace/ondecrement (param i32)))
+ (import "rtrace" "onfree" (func $~lib/rt/rtrace/onfree (param i32)))
+ (memory $0 1)
+ (data (i32.const 8) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h\00")
+ (data (i32.const 56) "&\00\00\00\01\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s\00")
+ (data (i32.const 112) "\1e\00\00\00\01\00\00\00\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00t\00l\00s\00f\00.\00t\00s\00")
+ (data (i32.const 160) "(\00\00\00\01\00\00\00\01\00\00\00(\00\00\00a\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e\00")
+ (data (i32.const 216) "\1e\00\00\00\01\00\00\00\01\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00p\00u\00r\00e\00.\00t\00s\00")
+ (data (i32.const 264) "$\00\00\00\01\00\00\00\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e\00")
+ (data (i32.const 320) "\14\00\00\00\01\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s\00")
+ (data (i32.const 360) "$\00\00\00\01\00\00\00\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s\00")
+ (data (i32.const 416) "\1a\00\00\00\01\00\00\00\01\00\00\00\1a\00\00\00s\00t\00d\00/\00b\00u\00f\00f\00e\00r\00.\00t\00s\00")
+ (data (i32.const 464) "\1c\00\00\00\01\00\00\00\00\00\00\00\1c\00\00\00\01\00\00\00\02\00\00\00\03\00\00\00\04\00\00\00\05\00\00\00\06\00\00\00\01\01\00\00")
+ (data (i32.const 512) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00b\00u\00f\00f\00e\00r\00.\00t\00s\00")
+ (data (i32.const 560) "\1a\00\00\00\01\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00")
+ (data (i32.const 608) "\08\00\00\00\01\00\00\00\01\00\00\00\08\00\00\00u\00t\00f\008\00")
+ (data (i32.const 632) " \00\00\00\01\00\00\00\00\00\00\00 \00\00\00\9a\99\99\99\99\99\f1?\9a\99\99\99\99\99\01@ffffff\n@\9a\99\99\99\99\99\11@")
+ (data (i32.const 680) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02\00\00\00")
+ (table $0 1 funcref)
+ (elem (i32.const 0) $null)
+ (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
+ (global $~lib/ASC_SHRINK_LEVEL i32 (i32.const 0))
+ (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
+ (global $~lib/rt/pure/END (mut i32) (i32.const 0))
+ (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
+ (global $~lib/buffer/Buffer.NO_ENCODING (mut i32) (i32.const 0))
+ (global $~lib/buffer/Buffer.UTF8_ENCODING (mut i32) (i32.const 1))
+ (global $~lib/buffer/Buffer.UTF16_ENCODING (mut i32) (i32.const 2))
+ (global $~lib/rt/__rtti_base i32 (i32.const 680))
+ (global $~lib/heap/__heap_base i32 (i32.const 740))
+ (export "memory" (memory $0))
+ (start $start)
+ (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  (local $10 i32)
+  (local $11 i32)
+  local.get $1
+  i32.load
+  local.set $2
+  local.get $2
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 277
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.set $3
+  local.get $3
+  i32.const 16
+  i32.ge_u
+  if (result i32)
+   local.get $3
+   i32.const 1073741808
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 279
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const 256
+  i32.lt_u
+  if
+   i32.const 0
+   local.set $4
+   local.get $3
+   i32.const 4
+   i32.shr_u
+   local.set $5
+  else   
+   i32.const 31
+   local.get $3
+   i32.clz
+   i32.sub
+   local.set $4
+   local.get $3
+   local.get $4
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 1
+   i32.const 4
+   i32.shl
+   i32.xor
+   local.set $5
+   local.get $4
+   i32.const 8
+   i32.const 1
+   i32.sub
+   i32.sub
+   local.set $4
+  end
+  local.get $4
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $5
+   i32.const 16
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 292
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load offset=16
+  local.set $6
+  local.get $1
+  i32.load offset=20
+  local.set $7
+  local.get $6
+  if
+   local.get $6
+   local.get $7
+   i32.store offset=20
+  end
+  local.get $7
+  if
+   local.get $7
+   local.get $6
+   i32.store offset=16
+  end
+  local.get $1
+  local.get $0
+  local.set $10
+  local.get $4
+  local.set $9
+  local.get $5
+  local.set $8
+  local.get $10
+  local.get $9
+  i32.const 4
+  i32.shl
+  local.get $8
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=96
+  i32.eq
+  if
+   local.get $0
+   local.set $11
+   local.get $4
+   local.set $10
+   local.get $5
+   local.set $9
+   local.get $7
+   local.set $8
+   local.get $11
+   local.get $10
+   i32.const 4
+   i32.shl
+   local.get $9
+   i32.add
+   i32.const 2
+   i32.shl
+   i32.add
+   local.get $8
+   i32.store offset=96
+   local.get $7
+   i32.eqz
+   if
+    local.get $0
+    local.set $9
+    local.get $4
+    local.set $8
+    local.get $9
+    local.get $8
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=4
+    local.set $9
+    local.get $0
+    local.set $8
+    local.get $4
+    local.set $11
+    local.get $9
+    i32.const 1
+    local.get $5
+    i32.shl
+    i32.const -1
+    i32.xor
+    i32.and
+    local.tee $9
+    local.set $10
+    local.get $8
+    local.get $11
+    i32.const 2
+    i32.shl
+    i32.add
+    local.get $10
+    i32.store offset=4
+    local.get $9
+    i32.eqz
+    if
+     local.get $0
+     local.get $0
+     i32.load
+     i32.const 1
+     local.get $4
+     i32.shl
+     i32.const -1
+     i32.xor
+     i32.and
+     i32.store
+    end
+   end
+  end
+ )
+ (func $~lib/rt/tlsf/insertBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  (local $10 i32)
+  (local $11 i32)
+  (local $12 i32)
+  (local $13 i32)
+  local.get $1
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 205
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.load
+  local.set $2
+  local.get $2
+  i32.const 1
+  i32.and
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 207
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  local.set $3
+  local.get $3
+  i32.const 16
+  i32.add
+  local.get $3
+  i32.load
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.add
+  local.set $4
+  local.get $4
+  i32.load
+  local.set $5
+  local.get $5
+  i32.const 1
+  i32.and
+  if
+   local.get $2
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.const 16
+   i32.add
+   local.get $5
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.set $3
+   local.get $3
+   i32.const 1073741808
+   i32.lt_u
+   if
+    local.get $0
+    local.get $4
+    call $~lib/rt/tlsf/removeBlock
+    local.get $1
+    local.get $2
+    i32.const 3
+    i32.and
+    local.get $3
+    i32.or
+    local.tee $2
+    i32.store
+    local.get $1
+    local.set $6
+    local.get $6
+    i32.const 16
+    i32.add
+    local.get $6
+    i32.load
+    i32.const 3
+    i32.const -1
+    i32.xor
+    i32.and
+    i32.add
+    local.set $4
+    local.get $4
+    i32.load
+    local.set $5
+   end
+  end
+  local.get $2
+  i32.const 2
+  i32.and
+  if
+   local.get $1
+   local.set $6
+   local.get $6
+   i32.const 4
+   i32.sub
+   i32.load
+   local.set $6
+   local.get $6
+   i32.load
+   local.set $3
+   local.get $3
+   i32.const 1
+   i32.and
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 228
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $3
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.const 16
+   i32.add
+   local.get $2
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.set $7
+   local.get $7
+   i32.const 1073741808
+   i32.lt_u
+   if
+    local.get $0
+    local.get $6
+    call $~lib/rt/tlsf/removeBlock
+    local.get $6
+    local.get $3
+    i32.const 3
+    i32.and
+    local.get $7
+    i32.or
+    local.tee $2
+    i32.store
+    local.get $6
+    local.set $1
+   end
+  end
+  local.get $4
+  local.get $5
+  i32.const 2
+  i32.or
+  i32.store
+  local.get $2
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.set $8
+  local.get $8
+  i32.const 16
+  i32.ge_u
+  if (result i32)
+   local.get $8
+   i32.const 1073741808
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 243
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 16
+  i32.add
+  local.get $8
+  i32.add
+  local.get $4
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 244
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $4
+  i32.const 4
+  i32.sub
+  local.get $1
+  i32.store
+  local.get $8
+  i32.const 256
+  i32.lt_u
+  if
+   i32.const 0
+   local.set $9
+   local.get $8
+   i32.const 4
+   i32.shr_u
+   local.set $10
+  else   
+   i32.const 31
+   local.get $8
+   i32.clz
+   i32.sub
+   local.set $9
+   local.get $8
+   local.get $9
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 1
+   i32.const 4
+   i32.shl
+   i32.xor
+   local.set $10
+   local.get $9
+   i32.const 8
+   i32.const 1
+   i32.sub
+   i32.sub
+   local.set $9
+  end
+  local.get $9
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $10
+   i32.const 16
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 260
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.set $7
+  local.get $9
+  local.set $3
+  local.get $10
+  local.set $6
+  local.get $7
+  local.get $3
+  i32.const 4
+  i32.shl
+  local.get $6
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=96
+  local.set $11
+  local.get $1
+  i32.const 0
+  i32.store offset=16
+  local.get $1
+  local.get $11
+  i32.store offset=20
+  local.get $11
+  if
+   local.get $11
+   local.get $1
+   i32.store offset=16
+  end
+  local.get $0
+  local.set $12
+  local.get $9
+  local.set $7
+  local.get $10
+  local.set $3
+  local.get $1
+  local.set $6
+  local.get $12
+  local.get $7
+  i32.const 4
+  i32.shl
+  local.get $3
+  i32.add
+  i32.const 2
+  i32.shl
+  i32.add
+  local.get $6
+  i32.store offset=96
+  local.get $0
+  local.get $0
+  i32.load
+  i32.const 1
+  local.get $9
+  i32.shl
+  i32.or
+  i32.store
+  local.get $0
+  local.set $13
+  local.get $9
+  local.set $12
+  local.get $0
+  local.set $3
+  local.get $9
+  local.set $6
+  local.get $3
+  local.get $6
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=4
+  i32.const 1
+  local.get $10
+  i32.shl
+  i32.or
+  local.set $7
+  local.get $13
+  local.get $12
+  i32.const 2
+  i32.shl
+  i32.add
+  local.get $7
+  i32.store offset=4
+ )
+ (func $~lib/rt/tlsf/addMemory (; 7 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  local.get $1
+  local.get $2
+  i32.le_u
+  if (result i32)
+   local.get $1
+   i32.const 15
+   i32.and
+   i32.eqz
+  else   
+   i32.const 0
+  end
+  if (result i32)
+   local.get $2
+   i32.const 15
+   i32.and
+   i32.eqz
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 386
+   i32.const 4
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.set $3
+  local.get $3
+  i32.load offset=1568
+  local.set $4
+  i32.const 0
+  local.set $5
+  local.get $4
+  if
+   local.get $1
+   local.get $4
+   i32.const 16
+   i32.add
+   i32.ge_u
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 396
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $1
+   i32.const 16
+   i32.sub
+   local.get $4
+   i32.eq
+   if
+    local.get $1
+    i32.const 16
+    i32.sub
+    local.set $1
+    local.get $4
+    i32.load
+    local.set $5
+   else    
+    nop
+   end
+  else   
+   local.get $1
+   local.get $0
+   i32.const 1572
+   i32.add
+   i32.ge_u
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 408
+    i32.const 4
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $2
+  local.get $1
+  i32.sub
+  local.set $6
+  local.get $6
+  i32.const 48
+  i32.lt_u
+  if
+   i32.const 0
+   return
+  end
+  local.get $6
+  i32.const 2
+  i32.const 16
+  i32.mul
+  i32.sub
+  local.set $7
+  local.get $1
+  local.set $8
+  local.get $8
+  local.get $7
+  i32.const 1
+  i32.or
+  local.get $5
+  i32.const 2
+  i32.and
+  i32.or
+  i32.store
+  local.get $8
+  i32.const 0
+  i32.store offset=16
+  local.get $8
+  i32.const 0
+  i32.store offset=20
+  local.get $1
+  local.get $6
+  i32.add
+  i32.const 16
+  i32.sub
+  local.set $4
+  local.get $4
+  i32.const 0
+  i32.const 2
+  i32.or
+  i32.store
+  local.get $0
+  local.set $9
+  local.get $4
+  local.set $3
+  local.get $9
+  local.get $3
+  i32.store offset=1568
+  local.get $0
+  local.get $8
+  call $~lib/rt/tlsf/insertBlock
+  i32.const 1
+ )
+ (func $~lib/rt/tlsf/initializeRoot (; 8 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  global.get $~lib/heap/__heap_base
+  i32.const 15
+  i32.add
+  i32.const 15
+  i32.const -1
+  i32.xor
+  i32.and
+  local.set $0
+  memory.size
+  local.set $1
+  local.get $0
+  i32.const 1572
+  i32.add
+  i32.const 65535
+  i32.add
+  i32.const 65535
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.const 16
+  i32.shr_u
+  local.set $2
+  local.get $2
+  local.get $1
+  i32.gt_s
+  if (result i32)
+   local.get $2
+   local.get $1
+   i32.sub
+   memory.grow
+   i32.const 0
+   i32.lt_s
+  else   
+   i32.const 0
+  end
+  if
+   unreachable
+  end
+  local.get $0
+  local.set $3
+  local.get $3
+  i32.const 0
+  i32.store
+  local.get $3
+  local.set $5
+  i32.const 0
+  local.set $4
+  local.get $5
+  local.get $4
+  i32.store offset=1568
+  block $break|0
+   i32.const 0
+   local.set $5
+   loop $loop|0
+    local.get $5
+    i32.const 23
+    i32.lt_u
+    i32.eqz
+    br_if $break|0
+    local.get $3
+    local.set $7
+    local.get $5
+    local.set $6
+    i32.const 0
+    local.set $4
+    local.get $7
+    local.get $6
+    i32.const 2
+    i32.shl
+    i32.add
+    local.get $4
+    i32.store offset=4
+    block $break|1
+     i32.const 0
+     local.set $7
+     loop $loop|1
+      local.get $7
+      i32.const 16
+      i32.lt_u
+      i32.eqz
+      br_if $break|1
+      local.get $3
+      local.set $9
+      local.get $5
+      local.set $8
+      local.get $7
+      local.set $6
+      i32.const 0
+      local.set $4
+      local.get $9
+      local.get $8
+      i32.const 4
+      i32.shl
+      local.get $6
+      i32.add
+      i32.const 2
+      i32.shl
+      i32.add
+      local.get $4
+      i32.store offset=96
+      local.get $7
+      i32.const 1
+      i32.add
+      local.set $7
+      br $loop|1
+     end
+     unreachable
+    end
+    local.get $5
+    i32.const 1
+    i32.add
+    local.set $5
+    br $loop|0
+   end
+   unreachable
+  end
+  local.get $3
+  local.get $0
+  i32.const 1572
+  i32.add
+  i32.const 15
+  i32.add
+  i32.const 15
+  i32.const -1
+  i32.xor
+  i32.and
+  memory.size
+  i32.const 16
+  i32.shl
+  call $~lib/rt/tlsf/addMemory
+  drop
+  local.get $3
+  global.set $~lib/rt/tlsf/ROOT
+ )
+ (func $~lib/rt/tlsf/prepareSize (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  (local $2 i32)
+  local.get $0
+  i32.const 1073741808
+  i32.ge_u
+  if
+   i32.const 176
+   i32.const 128
+   i32.const 448
+   i32.const 29
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 15
+  i32.add
+  i32.const 15
+  i32.const -1
+  i32.xor
+  i32.and
+  local.tee $1
+  i32.const 16
+  local.tee $2
+  local.get $1
+  local.get $2
+  i32.gt_u
+  select
+ )
+ (func $~lib/rt/tlsf/searchBlock (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  (local $9 i32)
+  local.get $1
+  i32.const 256
+  i32.lt_u
+  if
+   i32.const 0
+   local.set $2
+   local.get $1
+   i32.const 4
+   i32.shr_u
+   local.set $3
+  else   
+   local.get $1
+   i32.const 536870904
+   i32.lt_u
+   if (result i32)
+    local.get $1
+    i32.const 1
+    i32.const 27
+    local.get $1
+    i32.clz
+    i32.sub
+    i32.shl
+    i32.add
+    i32.const 1
+    i32.sub
+   else    
+    local.get $1
+   end
+   local.set $4
+   i32.const 31
+   local.get $4
+   i32.clz
+   i32.sub
+   local.set $2
+   local.get $4
+   local.get $2
+   i32.const 4
+   i32.sub
+   i32.shr_u
+   i32.const 1
+   i32.const 4
+   i32.shl
+   i32.xor
+   local.set $3
+   local.get $2
+   i32.const 8
+   i32.const 1
+   i32.sub
+   i32.sub
+   local.set $2
+  end
+  local.get $2
+  i32.const 23
+  i32.lt_u
+  if (result i32)
+   local.get $3
+   i32.const 16
+   i32.lt_u
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 338
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.set $5
+  local.get $2
+  local.set $4
+  local.get $5
+  local.get $4
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load offset=4
+  i32.const 0
+  i32.const -1
+  i32.xor
+  local.get $3
+  i32.shl
+  i32.and
+  local.set $6
+  i32.const 0
+  local.set $7
+  local.get $6
+  i32.eqz
+  if
+   local.get $0
+   i32.load
+   i32.const 0
+   i32.const -1
+   i32.xor
+   local.get $2
+   i32.const 1
+   i32.add
+   i32.shl
+   i32.and
+   local.set $5
+   local.get $5
+   i32.eqz
+   if
+    i32.const 0
+    local.set $7
+   else    
+    local.get $5
+    i32.ctz
+    local.set $2
+    local.get $0
+    local.set $8
+    local.get $2
+    local.set $4
+    local.get $8
+    local.get $4
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=4
+    local.set $6
+    local.get $6
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 128
+     i32.const 351
+     i32.const 17
+     call $~lib/builtins/abort
+     unreachable
+    end
+    local.get $0
+    local.set $9
+    local.get $2
+    local.set $8
+    local.get $6
+    i32.ctz
+    local.set $4
+    local.get $9
+    local.get $8
+    i32.const 4
+    i32.shl
+    local.get $4
+    i32.add
+    i32.const 2
+    i32.shl
+    i32.add
+    i32.load offset=96
+    local.set $7
+   end
+  else   
+   local.get $0
+   local.set $9
+   local.get $2
+   local.set $8
+   local.get $6
+   i32.ctz
+   local.set $4
+   local.get $9
+   local.get $8
+   i32.const 4
+   i32.shl
+   local.get $4
+   i32.add
+   i32.const 2
+   i32.shl
+   i32.add
+   i32.load offset=96
+   local.set $7
+  end
+  local.get $7
+ )
+ (func $~lib/rt/tlsf/growMemory (; 11 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  memory.size
+  local.set $2
+  local.get $1
+  i32.const 65535
+  i32.add
+  i32.const 65535
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.const 16
+  i32.shr_u
+  local.set $3
+  local.get $2
+  local.tee $4
+  local.get $3
+  local.tee $5
+  local.get $4
+  local.get $5
+  i32.gt_s
+  select
+  local.set $6
+  local.get $6
+  memory.grow
+  i32.const 0
+  i32.lt_s
+  if
+   local.get $3
+   memory.grow
+   i32.const 0
+   i32.lt_s
+   if
+    unreachable
+   end
+  end
+  memory.size
+  local.set $7
+  local.get $0
+  local.get $2
+  i32.const 16
+  i32.shl
+  local.get $7
+  i32.const 16
+  i32.shl
+  call $~lib/rt/tlsf/addMemory
+  drop
+ )
+ (func $~lib/rt/tlsf/prepareBlock (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  local.get $1
+  i32.load
+  local.set $3
+  local.get $2
+  i32.const 15
+  i32.and
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 365
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  local.get $2
+  i32.sub
+  local.set $4
+  local.get $4
+  i32.const 32
+  i32.ge_u
+  if
+   local.get $1
+   local.get $2
+   local.get $3
+   i32.const 2
+   i32.and
+   i32.or
+   i32.store
+   local.get $1
+   i32.const 16
+   i32.add
+   local.get $2
+   i32.add
+   local.set $5
+   local.get $5
+   local.get $4
+   i32.const 16
+   i32.sub
+   i32.const 1
+   i32.or
+   i32.store
+   local.get $0
+   local.get $5
+   call $~lib/rt/tlsf/insertBlock
+  else   
+   local.get $1
+   local.get $3
+   i32.const 1
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.store
+   local.get $1
+   local.set $5
+   local.get $5
+   i32.const 16
+   i32.add
+   local.get $5
+   i32.load
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.get $1
+   local.set $5
+   local.get $5
+   i32.const 16
+   i32.add
+   local.get $5
+   i32.load
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   i32.load
+   i32.const 2
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.store
+  end
+ )
+ (func $~lib/rt/tlsf/allocateBlock (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $1
+  call $~lib/rt/tlsf/prepareSize
+  local.set $2
+  local.get $0
+  local.get $2
+  call $~lib/rt/tlsf/searchBlock
+  local.set $3
+  local.get $3
+  i32.eqz
+  if
+   local.get $0
+   local.get $2
+   call $~lib/rt/tlsf/growMemory
+   local.get $0
+   local.get $2
+   call $~lib/rt/tlsf/searchBlock
+   local.set $3
+   local.get $3
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 128
+    i32.const 478
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $3
+  i32.load
+  i32.const -4
+  i32.and
+  local.get $2
+  i32.ge_u
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 480
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  i32.const 0
+  i32.store offset=4
+  local.get $3
+  local.get $1
+  i32.store offset=12
+  local.get $0
+  local.get $3
+  call $~lib/rt/tlsf/removeBlock
+  local.get $0
+  local.get $3
+  local.get $2
+  call $~lib/rt/tlsf/prepareBlock
+  local.get $3
+  call $~lib/rt/rtrace/onalloc
+  local.get $3
+ )
+ (func $~lib/rt/tlsf/__alloc (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  global.get $~lib/rt/tlsf/ROOT
+  local.set $2
+  local.get $2
+  i32.eqz
+  if
+   call $~lib/rt/tlsf/initializeRoot
+   global.get $~lib/rt/tlsf/ROOT
+   local.set $2
+  end
+  local.get $2
+  local.get $0
+  call $~lib/rt/tlsf/allocateBlock
+  local.set $3
+  local.get $3
+  local.get $1
+  i32.store offset=8
+  local.get $3
+  i32.const 16
+  i32.add
+ )
+ (func $~lib/memory/memory.fill (; 15 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i64)
+  block $~lib/util/memory/memset|inlined.0
+   local.get $0
+   local.set $5
+   local.get $1
+   local.set $4
+   local.get $2
+   local.set $3
+   local.get $3
+   i32.eqz
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   local.get $4
+   i32.store8
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 1
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $3
+   i32.const 2
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   i32.const 1
+   i32.add
+   local.get $4
+   i32.store8
+   local.get $5
+   i32.const 2
+   i32.add
+   local.get $4
+   i32.store8
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 2
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 3
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $3
+   i32.const 6
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   i32.const 3
+   i32.add
+   local.get $4
+   i32.store8
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 4
+   i32.sub
+   local.get $4
+   i32.store8
+   local.get $3
+   i32.const 8
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   i32.const 0
+   local.get $5
+   i32.sub
+   i32.const 3
+   i32.and
+   local.set $6
+   local.get $5
+   local.get $6
+   i32.add
+   local.set $5
+   local.get $3
+   local.get $6
+   i32.sub
+   local.set $3
+   local.get $3
+   i32.const -4
+   i32.and
+   local.set $3
+   i32.const -1
+   i32.const 255
+   i32.div_u
+   local.get $4
+   i32.const 255
+   i32.and
+   i32.mul
+   local.set $7
+   local.get $5
+   local.get $7
+   i32.store
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 4
+   i32.sub
+   local.get $7
+   i32.store
+   local.get $3
+   i32.const 8
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   i32.const 4
+   i32.add
+   local.get $7
+   i32.store
+   local.get $5
+   i32.const 8
+   i32.add
+   local.get $7
+   i32.store
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 12
+   i32.sub
+   local.get $7
+   i32.store
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 8
+   i32.sub
+   local.get $7
+   i32.store
+   local.get $3
+   i32.const 24
+   i32.le_u
+   if
+    br $~lib/util/memory/memset|inlined.0
+   end
+   local.get $5
+   i32.const 12
+   i32.add
+   local.get $7
+   i32.store
+   local.get $5
+   i32.const 16
+   i32.add
+   local.get $7
+   i32.store
+   local.get $5
+   i32.const 20
+   i32.add
+   local.get $7
+   i32.store
+   local.get $5
+   i32.const 24
+   i32.add
+   local.get $7
+   i32.store
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 28
+   i32.sub
+   local.get $7
+   i32.store
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 24
+   i32.sub
+   local.get $7
+   i32.store
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 20
+   i32.sub
+   local.get $7
+   i32.store
+   local.get $5
+   local.get $3
+   i32.add
+   i32.const 16
+   i32.sub
+   local.get $7
+   i32.store
+   i32.const 24
+   local.get $5
+   i32.const 4
+   i32.and
+   i32.add
+   local.set $6
+   local.get $5
+   local.get $6
+   i32.add
+   local.set $5
+   local.get $3
+   local.get $6
+   i32.sub
+   local.set $3
+   local.get $7
+   i64.extend_i32_u
+   local.get $7
+   i64.extend_i32_u
+   i64.const 32
+   i64.shl
+   i64.or
+   local.set $8
+   block $break|0
+    loop $continue|0
+     local.get $3
+     i32.const 32
+     i32.ge_u
+     i32.eqz
+     br_if $break|0
+     local.get $5
+     local.get $8
+     i64.store
+     local.get $5
+     i32.const 8
+     i32.add
+     local.get $8
+     i64.store
+     local.get $5
+     i32.const 16
+     i32.add
+     local.get $8
+     i64.store
+     local.get $5
+     i32.const 24
+     i32.add
+     local.get $8
+     i64.store
+     local.get $3
+     i32.const 32
+     i32.sub
+     local.set $3
+     local.get $5
+     i32.const 32
+     i32.add
+     local.set $5
+     br $continue|0
+    end
+    unreachable
+   end
+  end
+ )
+ (func $~lib/rt/pure/increment (; 16 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.set $1
+  local.get $1
+  i32.const -268435456
+  i32.and
+  local.get $1
+  i32.const 1
+  i32.add
+  i32.const -268435456
+  i32.and
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 232
+   i32.const 104
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.get $1
+  i32.const 1
+  i32.add
+  i32.store offset=4
+  local.get $0
+  call $~lib/rt/rtrace/onincrement
+  local.get $0
+  i32.load
+  i32.const 1
+  i32.and
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 232
+   i32.const 107
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+ )
+ (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  global.get $~lib/heap/__heap_base
+  i32.gt_u
+  if
+   local.get $0
+   i32.const 16
+   i32.sub
+   call $~lib/rt/pure/increment
+  end
+  local.get $0
+ )
+ (func $~lib/rt/tlsf/freeBlock (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  local.get $1
+  i32.load
+  local.set $2
+  local.get $2
+  i32.const 1
+  i32.and
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 537
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  local.get $2
+  i32.const 1
+  i32.or
+  i32.store
+  local.get $0
+  local.get $1
+  call $~lib/rt/tlsf/insertBlock
+  local.get $1
+  call $~lib/rt/rtrace/onfree
+ )
+ (func $~lib/rt/__typeinfo (; 19 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/rt/__rtti_base
+  local.set $1
+  local.get $0
+  local.get $1
+  i32.load
+  i32.gt_u
+  if
+   i32.const 280
+   i32.const 336
+   i32.const 22
+   i32.const 27
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  i32.const 4
+  i32.add
+  local.get $0
+  i32.const 8
+  i32.mul
+  i32.add
+  i32.load
+ )
+ (func $~lib/util/memory/memcpy (; 20 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  block $break|0
+   loop $continue|0
+    local.get $2
+    if (result i32)
+     local.get $1
+     i32.const 3
+     i32.and
+    else     
+     i32.const 0
+    end
+    i32.eqz
+    br_if $break|0
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+    i32.load8_u
+    i32.store8
+    local.get $2
+    i32.const 1
+    i32.sub
+    local.set $2
+    br $continue|0
+   end
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  i32.and
+  i32.const 0
+  i32.eq
+  if
+   block $break|1
+    loop $continue|1
+     local.get $2
+     i32.const 16
+     i32.ge_u
+     i32.eqz
+     br_if $break|1
+     local.get $0
+     local.get $1
+     i32.load
+     i32.store
+     local.get $0
+     i32.const 4
+     i32.add
+     local.get $1
+     i32.const 4
+     i32.add
+     i32.load
+     i32.store
+     local.get $0
+     i32.const 8
+     i32.add
+     local.get $1
+     i32.const 8
+     i32.add
+     i32.load
+     i32.store
+     local.get $0
+     i32.const 12
+     i32.add
+     local.get $1
+     i32.const 12
+     i32.add
+     i32.load
+     i32.store
+     local.get $1
+     i32.const 16
+     i32.add
+     local.set $1
+     local.get $0
+     i32.const 16
+     i32.add
+     local.set $0
+     local.get $2
+     i32.const 16
+     i32.sub
+     local.set $2
+     br $continue|1
+    end
+    unreachable
+   end
+   local.get $2
+   i32.const 8
+   i32.and
+   if
+    local.get $0
+    local.get $1
+    i32.load
+    i32.store
+    local.get $0
+    i32.const 4
+    i32.add
+    local.get $1
+    i32.const 4
+    i32.add
+    i32.load
+    i32.store
+    local.get $0
+    i32.const 8
+    i32.add
+    local.set $0
+    local.get $1
+    i32.const 8
+    i32.add
+    local.set $1
+   end
+   local.get $2
+   i32.const 4
+   i32.and
+   if
+    local.get $0
+    local.get $1
+    i32.load
+    i32.store
+    local.get $0
+    i32.const 4
+    i32.add
+    local.set $0
+    local.get $1
+    i32.const 4
+    i32.add
+    local.set $1
+   end
+   local.get $2
+   i32.const 2
+   i32.and
+   if
+    local.get $0
+    local.get $1
+    i32.load16_u
+    i32.store16
+    local.get $0
+    i32.const 2
+    i32.add
+    local.set $0
+    local.get $1
+    i32.const 2
+    i32.add
+    local.set $1
+   end
+   local.get $2
+   i32.const 1
+   i32.and
+   if
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+    i32.load8_u
+    i32.store8
+   end
+   return
+  end
+  local.get $2
+  i32.const 32
+  i32.ge_u
+  if
+   block $break|2
+    block $case2|2
+     block $case1|2
+      block $case0|2
+       local.get $0
+       i32.const 3
+       i32.and
+       local.set $5
+       local.get $5
+       i32.const 1
+       i32.eq
+       br_if $case0|2
+       local.get $5
+       i32.const 2
+       i32.eq
+       br_if $case1|2
+       local.get $5
+       i32.const 3
+       i32.eq
+       br_if $case2|2
+       br $break|2
+      end
+      local.get $1
+      i32.load
+      local.set $3
+      local.get $0
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $0
+      local.get $5
+      local.get $1
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $1
+      local.get $5
+      i32.load8_u
+      i32.store8
+      local.get $0
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $0
+      local.get $5
+      local.get $1
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $1
+      local.get $5
+      i32.load8_u
+      i32.store8
+      local.get $0
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $0
+      local.get $5
+      local.get $1
+      local.tee $5
+      i32.const 1
+      i32.add
+      local.set $1
+      local.get $5
+      i32.load8_u
+      i32.store8
+      local.get $2
+      i32.const 3
+      i32.sub
+      local.set $2
+      block $break|3
+       loop $continue|3
+        local.get $2
+        i32.const 17
+        i32.ge_u
+        i32.eqz
+        br_if $break|3
+        local.get $1
+        i32.const 1
+        i32.add
+        i32.load
+        local.set $4
+        local.get $0
+        local.get $3
+        i32.const 24
+        i32.shr_u
+        local.get $4
+        i32.const 8
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 5
+        i32.add
+        i32.load
+        local.set $3
+        local.get $0
+        i32.const 4
+        i32.add
+        local.get $4
+        i32.const 24
+        i32.shr_u
+        local.get $3
+        i32.const 8
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 9
+        i32.add
+        i32.load
+        local.set $4
+        local.get $0
+        i32.const 8
+        i32.add
+        local.get $3
+        i32.const 24
+        i32.shr_u
+        local.get $4
+        i32.const 8
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 13
+        i32.add
+        i32.load
+        local.set $3
+        local.get $0
+        i32.const 12
+        i32.add
+        local.get $4
+        i32.const 24
+        i32.shr_u
+        local.get $3
+        i32.const 8
+        i32.shl
+        i32.or
+        i32.store
+        local.get $1
+        i32.const 16
+        i32.add
+        local.set $1
+        local.get $0
+        i32.const 16
+        i32.add
+        local.set $0
+        local.get $2
+        i32.const 16
+        i32.sub
+        local.set $2
+        br $continue|3
+       end
+       unreachable
+      end
+      br $break|2
+     end
+     local.get $1
+     i32.load
+     local.set $3
+     local.get $0
+     local.tee $5
+     i32.const 1
+     i32.add
+     local.set $0
+     local.get $5
+     local.get $1
+     local.tee $5
+     i32.const 1
+     i32.add
+     local.set $1
+     local.get $5
+     i32.load8_u
+     i32.store8
+     local.get $0
+     local.tee $5
+     i32.const 1
+     i32.add
+     local.set $0
+     local.get $5
+     local.get $1
+     local.tee $5
+     i32.const 1
+     i32.add
+     local.set $1
+     local.get $5
+     i32.load8_u
+     i32.store8
+     local.get $2
+     i32.const 2
+     i32.sub
+     local.set $2
+     block $break|4
+      loop $continue|4
+       local.get $2
+       i32.const 18
+       i32.ge_u
+       i32.eqz
+       br_if $break|4
+       local.get $1
+       i32.const 2
+       i32.add
+       i32.load
+       local.set $4
+       local.get $0
+       local.get $3
+       i32.const 16
+       i32.shr_u
+       local.get $4
+       i32.const 16
+       i32.shl
+       i32.or
+       i32.store
+       local.get $1
+       i32.const 6
+       i32.add
+       i32.load
+       local.set $3
+       local.get $0
+       i32.const 4
+       i32.add
+       local.get $4
+       i32.const 16
+       i32.shr_u
+       local.get $3
+       i32.const 16
+       i32.shl
+       i32.or
+       i32.store
+       local.get $1
+       i32.const 10
+       i32.add
+       i32.load
+       local.set $4
+       local.get $0
+       i32.const 8
+       i32.add
+       local.get $3
+       i32.const 16
+       i32.shr_u
+       local.get $4
+       i32.const 16
+       i32.shl
+       i32.or
+       i32.store
+       local.get $1
+       i32.const 14
+       i32.add
+       i32.load
+       local.set $3
+       local.get $0
+       i32.const 12
+       i32.add
+       local.get $4
+       i32.const 16
+       i32.shr_u
+       local.get $3
+       i32.const 16
+       i32.shl
+       i32.or
+       i32.store
+       local.get $1
+       i32.const 16
+       i32.add
+       local.set $1
+       local.get $0
+       i32.const 16
+       i32.add
+       local.set $0
+       local.get $2
+       i32.const 16
+       i32.sub
+       local.set $2
+       br $continue|4
+      end
+      unreachable
+     end
+     br $break|2
+    end
+    local.get $1
+    i32.load
+    local.set $3
+    local.get $0
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $0
+    local.get $5
+    local.get $1
+    local.tee $5
+    i32.const 1
+    i32.add
+    local.set $1
+    local.get $5
+    i32.load8_u
+    i32.store8
+    local.get $2
+    i32.const 1
+    i32.sub
+    local.set $2
+    block $break|5
+     loop $continue|5
+      local.get $2
+      i32.const 19
+      i32.ge_u
+      i32.eqz
+      br_if $break|5
+      local.get $1
+      i32.const 3
+      i32.add
+      i32.load
+      local.set $4
+      local.get $0
+      local.get $3
+      i32.const 8
+      i32.shr_u
+      local.get $4
+      i32.const 24
+      i32.shl
+      i32.or
+      i32.store
+      local.get $1
+      i32.const 7
+      i32.add
+      i32.load
+      local.set $3
+      local.get $0
+      i32.const 4
+      i32.add
+      local.get $4
+      i32.const 8
+      i32.shr_u
+      local.get $3
+      i32.const 24
+      i32.shl
+      i32.or
+      i32.store
+      local.get $1
+      i32.const 11
+      i32.add
+      i32.load
+      local.set $4
+      local.get $0
+      i32.const 8
+      i32.add
+      local.get $3
+      i32.const 8
+      i32.shr_u
+      local.get $4
+      i32.const 24
+      i32.shl
+      i32.or
+      i32.store
+      local.get $1
+      i32.const 15
+      i32.add
+      i32.load
+      local.set $3
+      local.get $0
+      i32.const 12
+      i32.add
+      local.get $4
+      i32.const 8
+      i32.shr_u
+      local.get $3
+      i32.const 24
+      i32.shl
+      i32.or
+      i32.store
+      local.get $1
+      i32.const 16
+      i32.add
+      local.set $1
+      local.get $0
+      i32.const 16
+      i32.add
+      local.set $0
+      local.get $2
+      i32.const 16
+      i32.sub
+      local.set $2
+      br $continue|5
+     end
+     unreachable
+    end
+    br $break|2
+   end
+  end
+  local.get $2
+  i32.const 16
+  i32.and
+  if
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 8
+  i32.and
+  if
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 4
+  i32.and
+  if
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 2
+  i32.and
+  if
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+  end
+  local.get $2
+  i32.const 1
+  i32.and
+  if
+   local.get $0
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $0
+   local.get $5
+   local.get $1
+   local.tee $5
+   i32.const 1
+   i32.add
+   local.set $1
+   local.get $5
+   i32.load8_u
+   i32.store8
+  end
+ )
+ (func $~lib/memory/memory.copy (; 21 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  block $~lib/util/memory/memmove|inlined.0
+   local.get $0
+   local.set $5
+   local.get $1
+   local.set $4
+   local.get $2
+   local.set $3
+   local.get $5
+   local.get $4
+   i32.eq
+   if
+    br $~lib/util/memory/memmove|inlined.0
+   end
+   local.get $4
+   local.get $3
+   i32.add
+   local.get $5
+   i32.le_u
+   if (result i32)
+    i32.const 1
+   else    
+    local.get $5
+    local.get $3
+    i32.add
+    local.get $4
+    i32.le_u
+   end
+   if
+    local.get $5
+    local.get $4
+    local.get $3
+    call $~lib/util/memory/memcpy
+    br $~lib/util/memory/memmove|inlined.0
+   end
+   local.get $5
+   local.get $4
+   i32.lt_u
+   if
+    local.get $4
+    i32.const 7
+    i32.and
+    local.get $5
+    i32.const 7
+    i32.and
+    i32.eq
+    if
+     block $break|0
+      loop $continue|0
+       local.get $5
+       i32.const 7
+       i32.and
+       i32.eqz
+       br_if $break|0
+       local.get $3
+       i32.eqz
+       if
+        br $~lib/util/memory/memmove|inlined.0
+       end
+       local.get $3
+       i32.const 1
+       i32.sub
+       local.set $3
+       local.get $5
+       local.tee $6
+       i32.const 1
+       i32.add
+       local.set $5
+       local.get $6
+       local.get $4
+       local.tee $6
+       i32.const 1
+       i32.add
+       local.set $4
+       local.get $6
+       i32.load8_u
+       i32.store8
+       br $continue|0
+      end
+      unreachable
+     end
+     block $break|1
+      loop $continue|1
+       local.get $3
+       i32.const 8
+       i32.ge_u
+       i32.eqz
+       br_if $break|1
+       local.get $5
+       local.get $4
+       i64.load
+       i64.store
+       local.get $3
+       i32.const 8
+       i32.sub
+       local.set $3
+       local.get $5
+       i32.const 8
+       i32.add
+       local.set $5
+       local.get $4
+       i32.const 8
+       i32.add
+       local.set $4
+       br $continue|1
+      end
+      unreachable
+     end
+    end
+    block $break|2
+     loop $continue|2
+      local.get $3
+      i32.eqz
+      br_if $break|2
+      local.get $5
+      local.tee $6
+      i32.const 1
+      i32.add
+      local.set $5
+      local.get $6
+      local.get $4
+      local.tee $6
+      i32.const 1
+      i32.add
+      local.set $4
+      local.get $6
+      i32.load8_u
+      i32.store8
+      local.get $3
+      i32.const 1
+      i32.sub
+      local.set $3
+      br $continue|2
+     end
+     unreachable
+    end
+   else    
+    local.get $4
+    i32.const 7
+    i32.and
+    local.get $5
+    i32.const 7
+    i32.and
+    i32.eq
+    if
+     block $break|3
+      loop $continue|3
+       local.get $5
+       local.get $3
+       i32.add
+       i32.const 7
+       i32.and
+       i32.eqz
+       br_if $break|3
+       local.get $3
+       i32.eqz
+       if
+        br $~lib/util/memory/memmove|inlined.0
+       end
+       local.get $5
+       local.get $3
+       i32.const 1
+       i32.sub
+       local.tee $3
+       i32.add
+       local.get $4
+       local.get $3
+       i32.add
+       i32.load8_u
+       i32.store8
+       br $continue|3
+      end
+      unreachable
+     end
+     block $break|4
+      loop $continue|4
+       local.get $3
+       i32.const 8
+       i32.ge_u
+       i32.eqz
+       br_if $break|4
+       local.get $3
+       i32.const 8
+       i32.sub
+       local.set $3
+       local.get $5
+       local.get $3
+       i32.add
+       local.get $4
+       local.get $3
+       i32.add
+       i64.load
+       i64.store
+       br $continue|4
+      end
+      unreachable
+     end
+    end
+    block $break|5
+     loop $continue|5
+      local.get $3
+      i32.eqz
+      br_if $break|5
+      local.get $5
+      local.get $3
+      i32.const 1
+      i32.sub
+      local.tee $3
+      i32.add
+      local.get $4
+      local.get $3
+      i32.add
+      i32.load8_u
+      i32.store8
+      br $continue|5
+     end
+     unreachable
+    end
+   end
+  end
+ )
+ (func $~lib/rt/tlsf/__free (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
+  global.get $~lib/rt/tlsf/ROOT
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 567
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 0
+  i32.ne
+  if (result i32)
+   local.get $0
+   i32.const 15
+   i32.and
+   i32.eqz
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 568
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  local.get $0
+  i32.const 16
+  i32.sub
+  call $~lib/rt/tlsf/freeBlock
+ )
+ (func $~lib/rt/pure/growRoots (; 23 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  global.get $~lib/rt/pure/ROOTS
+  local.set $0
+  global.get $~lib/rt/pure/CUR
+  local.get $0
+  i32.sub
+  local.set $1
+  local.get $1
+  i32.const 2
+  i32.mul
+  local.tee $2
+  i32.const 64
+  i32.const 2
+  i32.shl
+  local.tee $3
+  local.get $2
+  local.get $3
+  i32.gt_u
+  select
+  local.set $4
+  local.get $4
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.set $5
+  local.get $5
+  i32.const 16
+  i32.sub
+  call $~lib/rt/rtrace/onfree
+  local.get $5
+  local.get $0
+  local.get $1
+  call $~lib/memory/memory.copy
+  local.get $0
+  if
+   local.get $0
+   i32.const 16
+   i32.sub
+   call $~lib/rt/rtrace/onalloc
+   local.get $0
+   call $~lib/rt/tlsf/__free
+  end
+  local.get $5
+  global.set $~lib/rt/pure/ROOTS
+  local.get $5
+  local.get $1
+  i32.add
+  global.set $~lib/rt/pure/CUR
+  local.get $5
+  local.get $4
+  i32.add
+  global.set $~lib/rt/pure/END
+ )
+ (func $~lib/rt/pure/appendRoot (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  global.get $~lib/rt/pure/CUR
+  local.set $1
+  local.get $1
+  global.get $~lib/rt/pure/END
+  i32.ge_u
+  if
+   call $~lib/rt/pure/growRoots
+   global.get $~lib/rt/pure/CUR
+   local.set $1
+  end
+  local.get $1
+  local.get $0
+  i32.store
+  local.get $1
+  i32.const 4
+  i32.add
+  global.set $~lib/rt/pure/CUR
+ )
+ (func $~lib/rt/pure/decrement (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  local.get $0
+  i32.load offset=4
+  local.set $1
+  local.get $1
+  i32.const 268435455
+  i32.and
+  local.set $2
+  local.get $0
+  call $~lib/rt/rtrace/ondecrement
+  local.get $0
+  i32.load
+  i32.const 1
+  i32.and
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 232
+   i32.const 115
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $2
+  i32.const 1
+  i32.eq
+  if
+   local.get $0
+   i32.const 16
+   i32.add
+   i32.const 1
+   call $~lib/rt/__visit_members
+   local.get $1
+   i32.const -2147483648
+   i32.and
+   i32.eqz
+   if
+    global.get $~lib/rt/tlsf/ROOT
+    local.get $0
+    call $~lib/rt/tlsf/freeBlock
+   else    
+    local.get $0
+    i32.const -2147483648
+    i32.const 0
+    i32.or
+    i32.const 0
+    i32.or
+    i32.store offset=4
+   end
+  else   
+   local.get $2
+   i32.const 0
+   i32.gt_u
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 232
+    i32.const 124
+    i32.const 15
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $0
+   i32.load offset=8
+   call $~lib/rt/__typeinfo
+   i32.const 16
+   i32.and
+   i32.eqz
+   if
+    local.get $0
+    i32.const -2147483648
+    i32.const 805306368
+    i32.or
+    local.get $2
+    i32.const 1
+    i32.sub
+    i32.or
+    i32.store offset=4
+    local.get $1
+    i32.const -2147483648
+    i32.and
+    i32.eqz
+    if
+     local.get $0
+     call $~lib/rt/pure/appendRoot
+    end
+   else    
+    local.get $0
+    local.get $1
+    i32.const 268435455
+    i32.const -1
+    i32.xor
+    i32.and
+    local.get $2
+    i32.const 1
+    i32.sub
+    i32.or
+    i32.store offset=4
+   end
+  end
+ )
+ (func $~lib/rt/pure/__release (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
+  local.get $0
+  global.get $~lib/heap/__heap_base
+  i32.gt_u
+  if
+   local.get $0
+   i32.const 16
+   i32.sub
+   call $~lib/rt/pure/decrement
+  end
+ )
+ (func $~lib/arraybuffer/ArrayBufferView#constructor (; 27 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  local.get $1
+  i32.const 1073741808
+  local.get $2
+  i32.shr_u
+  i32.gt_u
+  if
+   i32.const 24
+   i32.const 72
+   i32.const 14
+   i32.const 56
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $1
+  local.get $2
+  i32.shl
+  local.tee $1
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.set $3
+  local.get $3
+  i32.const 0
+  local.get $1
+  call $~lib/memory/memory.fill
+  local.get $0
+  i32.eqz
+  if
+   i32.const 12
+   i32.const 2
+   call $~lib/rt/tlsf/__alloc
+   call $~lib/rt/pure/__retain
+   local.set $0
+  end
+  local.get $0
+  i32.const 0
+  i32.store
+  local.get $0
+  i32.const 0
+  i32.store offset=4
+  local.get $0
+  i32.const 0
+  i32.store offset=8
+  local.get $0
+  local.tee $4
+  local.get $3
+  local.tee $5
+  local.get $4
+  i32.load
+  local.tee $4
+  i32.ne
+  if
+   local.get $5
+   call $~lib/rt/pure/__retain
+   drop
+   local.get $4
+   call $~lib/rt/pure/__release
+  end
+  local.get $5
+  i32.store
+  local.get $0
+  local.get $3
+  i32.store offset=4
+  local.get $0
+  local.get $1
+  i32.store offset=8
+  local.get $0
+ )
+ (func $~lib/typedarray/Uint8Array#constructor (; 28 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  local.get $0
+  if (result i32)
+   local.get $0
+  else   
+   i32.const 12
+   i32.const 3
+   call $~lib/rt/tlsf/__alloc
+   call $~lib/rt/pure/__retain
+  end
+  local.get $1
+  i32.const 0
+  call $~lib/arraybuffer/ArrayBufferView#constructor
+  local.set $0
+  local.get $0
+ )
+ (func $~lib/buffer/Buffer#constructor (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  local.get $0
+  if (result i32)
+   local.get $0
+  else   
+   i32.const 16
+   i32.const 4
+   call $~lib/rt/tlsf/__alloc
+   call $~lib/rt/pure/__retain
+  end
+  local.get $1
+  call $~lib/typedarray/Uint8Array#constructor
+  local.set $0
+  local.get $0
+  i32.const 0
+  i32.store offset=12
+  local.get $0
+ )
+ (func $~lib/typedarray/Uint8Array#__set (; 30 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 376
+   i32.const 131
+   i32.const 44
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.add
+  local.get $2
+  i32.store8
+ )
+ (func $~lib/typedarray/Uint8Array#__get (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 376
+   i32.const 125
+   i32.const 44
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.add
+  i32.load8_u
+ )
+ (func $~lib/rt/__allocArray (; 32 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  i32.const 16
+  local.get $2
+  call $~lib/rt/tlsf/__alloc
+  local.set $4
+  local.get $0
+  local.get $1
+  i32.shl
+  local.set $5
+  local.get $5
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.set $6
+  local.get $4
+  local.get $6
+  call $~lib/rt/pure/__retain
+  i32.store
+  local.get $4
+  local.get $6
+  i32.store offset=4
+  local.get $4
+  local.get $5
+  i32.store offset=8
+  local.get $4
+  local.get $0
+  i32.store offset=12
+  local.get $3
+  if
+   local.get $6
+   local.get $3
+   local.get $5
+   call $~lib/memory/memory.copy
+  end
+  local.get $4
+ )
+ (func $~lib/array/Array<i32>#get:length (; 33 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.load offset=12
+ )
+ (func $~lib/array/Array<i32>#__unchecked_get (; 34 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.const 2
+  i32.shl
+  i32.add
+  i32.load
+ )
+ (func $~lib/array/Array<i32>#__get (; 35 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.const 2
+  i32.shr_u
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 576
+   i32.const 109
+   i32.const 61
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.get $1
+  call $~lib/array/Array<i32>#__unchecked_get
+ )
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 36 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $1
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 5
+  call $~lib/rt/__typeinfo
+  local.set $2
+  local.get $2
+  i32.const 8192
+  i32.and
+  i32.const 0
+  i32.ne
+  local.set $3
+  local.get $3
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 528
+   i32.const 50
+   i32.const 6
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  call $~lib/array/Array<i32>#get:length
+  local.set $4
+  i32.const 0
+  local.get $4
+  call $~lib/buffer/Buffer#constructor
+  local.set $5
+  block $break|0
+   i32.const 0
+   local.set $6
+   loop $loop|0
+    local.get $6
+    local.get $4
+    i32.lt_s
+    i32.eqz
+    br_if $break|0
+    local.get $5
+    local.get $6
+    local.get $0
+    local.get $6
+    call $~lib/array/Array<i32>#__get
+    i32.const 255
+    i32.and
+    call $~lib/typedarray/Uint8Array#__set
+    local.get $6
+    i32.const 1
+    i32.add
+    local.set $6
+    br $loop|0
+   end
+   unreachable
+  end
+  local.get $5
+  local.set $6
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $1
+  call $~lib/rt/pure/__release
+  local.get $6
+  return
+ )
+ (func $~lib/array/Array<f64>#get:length (; 37 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.load offset=12
+ )
+ (func $~lib/array/Array<f64>#__unchecked_get (; 38 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  i32.const 3
+  i32.shl
+  i32.add
+  f64.load
+ )
+ (func $~lib/array/Array<f64>#__get (; 39 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+  local.get $1
+  local.get $0
+  i32.load offset=8
+  i32.const 3
+  i32.shr_u
+  i32.ge_u
+  if
+   i32.const 280
+   i32.const 576
+   i32.const 109
+   i32.const 61
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  local.get $1
+  call $~lib/array/Array<f64>#__unchecked_get
+ )
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 40 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $1
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 6
+  call $~lib/rt/__typeinfo
+  local.set $2
+  local.get $2
+  i32.const 8192
+  i32.and
+  i32.const 0
+  i32.ne
+  local.set $3
+  local.get $3
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 528
+   i32.const 50
+   i32.const 6
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  call $~lib/array/Array<f64>#get:length
+  local.set $4
+  i32.const 0
+  local.get $4
+  call $~lib/buffer/Buffer#constructor
+  local.set $5
+  block $break|0
+   i32.const 0
+   local.set $6
+   loop $loop|0
+    local.get $6
+    local.get $4
+    i32.lt_s
+    i32.eqz
+    br_if $break|0
+    local.get $5
+    local.get $6
+    local.get $0
+    local.get $6
+    call $~lib/array/Array<f64>#__get
+    i32.trunc_f64_u
+    i32.const 255
+    i32.and
+    call $~lib/typedarray/Uint8Array#__set
+    local.get $6
+    i32.const 1
+    i32.add
+    local.set $6
+    br $loop|0
+   end
+   unreachable
+  end
+  local.get $5
+  local.set $6
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $1
+  call $~lib/rt/pure/__release
+  local.get $6
+  return
+ )
+ (func $start:std/buffer (; 41 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  i32.const 0
+  i32.const 3
+  call $~lib/buffer/Buffer#constructor
+  local.set $0
+  local.get $0
+  i32.const 0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__set
+  local.get $0
+  i32.const 1
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__set
+  local.get $0
+  i32.const 2
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__set
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 0
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 8
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 9
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 10
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 7
+  i32.const 2
+  i32.const 5
+  i32.const 480
+  call $~lib/rt/__allocArray
+  call $~lib/rt/pure/__retain
+  local.tee $2
+  call $~lib/rt/pure/__retain
+  local.set $1
+  local.get $1
+  i32.const 624
+  call $~lib/buffer/Buffer.from<~lib/array/Array<i32>>
+  local.set $3
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $3
+  local.set $0
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 14
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 15
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 3
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 16
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 4
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 17
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 4
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 5
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 18
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 5
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 6
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 19
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 6
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 20
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 4
+  i32.const 3
+  i32.const 6
+  i32.const 648
+  call $~lib/rt/__allocArray
+  call $~lib/rt/pure/__retain
+  local.tee $4
+  call $~lib/rt/pure/__retain
+  local.set $3
+  local.get $3
+  i32.const 624
+  call $~lib/buffer/Buffer.from<~lib/array/Array<f64>>
+  local.set $5
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $5
+  local.set $0
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 24
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 25
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 3
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 26
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 4
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 27
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $2
+  call $~lib/rt/pure/__release
+  local.get $1
+  call $~lib/rt/pure/__release
+  local.get $4
+  call $~lib/rt/pure/__release
+  local.get $3
+  call $~lib/rt/pure/__release
+ )
+ (func $start (; 42 ;) (type $FUNCSIG$v)
+  call $start:std/buffer
+ )
+ (func $~lib/array/Array<i32>#__visit_impl (; 43 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  nop
+ )
+ (func $~lib/array/Array<f64>#__visit_impl (; 44 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  nop
+ )
+ (func $~lib/rt/pure/markGray (; 45 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.set $1
+  local.get $1
+  i32.const 1879048192
+  i32.and
+  i32.const 268435456
+  i32.ne
+  if
+   local.get $0
+   local.get $1
+   i32.const 1879048192
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.const 268435456
+   i32.or
+   i32.store offset=4
+   local.get $0
+   i32.const 16
+   i32.add
+   i32.const 2
+   call $~lib/rt/__visit_members
+  end
+ )
+ (func $~lib/rt/pure/scanBlack (; 46 ;) (type $FUNCSIG$vi) (param $0 i32)
+  local.get $0
+  local.get $0
+  i32.load offset=4
+  i32.const 1879048192
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.const 0
+  i32.or
+  i32.store offset=4
+  local.get $0
+  i32.const 16
+  i32.add
+  i32.const 4
+  call $~lib/rt/__visit_members
+ )
+ (func $~lib/rt/pure/scan (; 47 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.set $1
+  local.get $1
+  i32.const 1879048192
+  i32.and
+  i32.const 268435456
+  i32.eq
+  if
+   local.get $1
+   i32.const 268435455
+   i32.and
+   i32.const 0
+   i32.gt_u
+   if
+    local.get $0
+    call $~lib/rt/pure/scanBlack
+   else    
+    local.get $0
+    local.get $1
+    i32.const 1879048192
+    i32.const -1
+    i32.xor
+    i32.and
+    i32.const 536870912
+    i32.or
+    i32.store offset=4
+    local.get $0
+    i32.const 16
+    i32.add
+    i32.const 3
+    call $~lib/rt/__visit_members
+   end
+  end
+ )
+ (func $~lib/rt/pure/collectWhite (; 48 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.set $1
+  local.get $1
+  i32.const 1879048192
+  i32.and
+  i32.const 536870912
+  i32.eq
+  if (result i32)
+   local.get $1
+   i32.const -2147483648
+   i32.and
+   i32.eqz
+  else   
+   i32.const 0
+  end
+  if
+   local.get $0
+   local.get $1
+   i32.const 1879048192
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.const 0
+   i32.or
+   i32.store offset=4
+   local.get $0
+   i32.const 16
+   i32.add
+   i32.const 5
+   call $~lib/rt/__visit_members
+   global.get $~lib/rt/tlsf/ROOT
+   local.get $0
+   call $~lib/rt/tlsf/freeBlock
+  end
+ )
+ (func $~lib/rt/pure/__visit (; 49 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  global.get $~lib/heap/__heap_base
+  i32.lt_u
+  if
+   return
+  end
+  local.get $0
+  i32.const 16
+  i32.sub
+  local.set $2
+  block $break|0
+   block $case5|0
+    block $case4|0
+     block $case3|0
+      block $case2|0
+       block $case1|0
+        block $case0|0
+         local.get $1
+         local.set $3
+         local.get $3
+         i32.const 1
+         i32.eq
+         br_if $case0|0
+         local.get $3
+         i32.const 2
+         i32.eq
+         br_if $case1|0
+         local.get $3
+         i32.const 3
+         i32.eq
+         br_if $case2|0
+         local.get $3
+         i32.const 4
+         i32.eq
+         br_if $case3|0
+         local.get $3
+         i32.const 5
+         i32.eq
+         br_if $case4|0
+         br $case5|0
+        end
+        local.get $2
+        call $~lib/rt/pure/decrement
+        br $break|0
+       end
+       local.get $2
+       i32.load offset=4
+       i32.const 268435455
+       i32.and
+       i32.const 0
+       i32.gt_u
+       i32.eqz
+       if
+        i32.const 0
+        i32.const 232
+        i32.const 75
+        i32.const 17
+        call $~lib/builtins/abort
+        unreachable
+       end
+       local.get $2
+       local.get $2
+       i32.load offset=4
+       i32.const 1
+       i32.sub
+       i32.store offset=4
+       local.get $2
+       call $~lib/rt/pure/markGray
+       br $break|0
+      end
+      local.get $2
+      call $~lib/rt/pure/scan
+      br $break|0
+     end
+     local.get $2
+     i32.load offset=4
+     local.set $3
+     local.get $3
+     i32.const -268435456
+     i32.and
+     local.get $3
+     i32.const 1
+     i32.add
+     i32.const -268435456
+     i32.and
+     i32.eq
+     i32.eqz
+     if
+      i32.const 0
+      i32.const 232
+      i32.const 86
+      i32.const 6
+      call $~lib/builtins/abort
+      unreachable
+     end
+     local.get $2
+     local.get $3
+     i32.const 1
+     i32.add
+     i32.store offset=4
+     local.get $3
+     i32.const 1879048192
+     i32.and
+     i32.const 0
+     i32.ne
+     if
+      local.get $2
+      call $~lib/rt/pure/scanBlack
+     end
+     br $break|0
+    end
+    local.get $2
+    call $~lib/rt/pure/collectWhite
+    br $break|0
+   end
+   i32.const 0
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 232
+    i32.const 97
+    i32.const 24
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+ )
+ (func $~lib/rt/__visit_members (; 50 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+  (local $2 i32)
+  block $block$4$break
+   block $switch$1$default
+    block $switch$1$case$8
+     block $switch$1$case$7
+      block $switch$1$case$4
+       block $switch$1$case$2
+        local.get $0
+        i32.const 8
+        i32.sub
+        i32.load
+        br_table $switch$1$case$2 $switch$1$case$2 $switch$1$case$4 $switch$1$case$4 $switch$1$case$4 $switch$1$case$7 $switch$1$case$8 $switch$1$default
+       end
+       return
+      end
+      br $block$4$break
+     end
+     local.get $0
+     local.get $1
+     call $~lib/array/Array<i32>#__visit_impl
+     br $block$4$break
+    end
+    local.get $0
+    local.get $1
+    call $~lib/array/Array<f64>#__visit_impl
+    br $block$4$break
+   end
+   unreachable
+  end
+  local.get $0
+  i32.load
+  local.tee $2
+  if
+   local.get $2
+   local.get $1
+   call $~lib/rt/pure/__visit
+  end
+  return
+ )
+ (func $null (; 51 ;) (type $FUNCSIG$v)
+ )
+)
diff --git a/tests/compiler/std/map.optimized.wat b/tests/compiler/std/map.optimized.wat
index 3130e4382a..faf9f41033 100644
--- a/tests/compiler/std/map.optimized.wat
+++ b/tests/compiler/std/map.optimized.wat
@@ -1308,7 +1308,7 @@
   if
    i32.const 176
    i32.const 224
-   i32.const 57
+   i32.const 58
    i32.const 42
    call $~lib/builtins/abort
    unreachable
diff --git a/tests/compiler/std/map.untouched.wat b/tests/compiler/std/map.untouched.wat
index d7de894877..78492c5a4e 100644
--- a/tests/compiler/std/map.untouched.wat
+++ b/tests/compiler/std/map.untouched.wat
@@ -1673,7 +1673,7 @@
   if
    i32.const 176
    i32.const 224
-   i32.const 57
+   i32.const 58
    i32.const 42
    call $~lib/builtins/abort
    unreachable
diff --git a/tests/compiler/std/set.optimized.wat b/tests/compiler/std/set.optimized.wat
index eaf2d38dc0..e1d97ef13e 100644
--- a/tests/compiler/std/set.optimized.wat
+++ b/tests/compiler/std/set.optimized.wat
@@ -1303,7 +1303,7 @@
   if
    i32.const 176
    i32.const 224
-   i32.const 57
+   i32.const 58
    i32.const 42
    call $~lib/builtins/abort
    unreachable
diff --git a/tests/compiler/std/set.untouched.wat b/tests/compiler/std/set.untouched.wat
index 575a000ece..eba1665dfd 100644
--- a/tests/compiler/std/set.untouched.wat
+++ b/tests/compiler/std/set.untouched.wat
@@ -1671,7 +1671,7 @@
   if
    i32.const 176
    i32.const 224
-   i32.const 57
+   i32.const 58
    i32.const 42
    call $~lib/builtins/abort
    unreachable
diff --git a/tests/compiler/std/symbol.optimized.wat b/tests/compiler/std/symbol.optimized.wat
index 60d5db95ac..f7ee8226cc 100644
--- a/tests/compiler/std/symbol.optimized.wat
+++ b/tests/compiler/std/symbol.optimized.wat
@@ -356,7 +356,7 @@
   if
    i32.const 96
    i32.const 144
-   i32.const 57
+   i32.const 58
    i32.const 42
    call $~lib/builtins/abort
    unreachable
diff --git a/tests/compiler/std/symbol.untouched.wat b/tests/compiler/std/symbol.untouched.wat
index cb1393363e..4de2f9666b 100644
--- a/tests/compiler/std/symbol.untouched.wat
+++ b/tests/compiler/std/symbol.untouched.wat
@@ -452,7 +452,7 @@
   if
    i32.const 96
    i32.const 144
-   i32.const 57
+   i32.const 58
    i32.const 42
    call $~lib/builtins/abort
    unreachable

From 6afd48fba5ab2b873ca548150a78d2efc576378d Mon Sep 17 00:00:00 2001
From: Joshua Tenner <tenner.joshua@gmail.com>
Date: Fri, 5 Jul 2019 16:36:09 -0400
Subject: [PATCH 2/3] [Fix] UTF8 tests and implementation

---
 std/assembly/buffer.ts                  |   20 +-
 tests/compiler/std/buffer.optimized.wat |  689 +++++++++++++--
 tests/compiler/std/buffer.ts            |    9 +
 tests/compiler/std/buffer.untouched.wat | 1057 +++++++++++++++++++++--
 4 files changed, 1653 insertions(+), 122 deletions(-)

diff --git a/std/assembly/buffer.ts b/std/assembly/buffer.ts
index 0a1073856e..7c37c584e5 100644
--- a/std/assembly/buffer.ts
+++ b/std/assembly/buffer.ts
@@ -27,19 +27,15 @@ export class Buffer extends Uint8Array {
     } else if (source instanceof string) {
       if (encoding == null) encoding = "utf8";
 
-      if (encoding == "utf8") {
-        let encoded = String.UTF8.encode(source);
+      if (encoding == "utf8" || encoding == "utf16") {
+        let encoded =  encoding == "utf8"
+          ? String.UTF8.encode(source)
+          : String.UTF16.encode(source);
         let buffer = changetype<Buffer>(__alloc(offsetof<Buffer>(), idof<Buffer>()));
-        buffer.buffer = encoded;
-        buffer.dataStart = 0;
-        buffer.dataLength = encoded.byteLength;
-        return buffer;
-      } else if (encoding == "utf16") {
-        let encoded = String.UTF16.encode(source);
-        let buffer = changetype<Buffer>(__alloc(offsetof<Buffer>(), idof<Buffer>()));
-        buffer.buffer = encoded;
-        buffer.dataStart = 0;
-        buffer.dataLength = encoded.byteLength;
+        store<usize>(changetype<usize>(buffer), __retain(changetype<usize>(encoded)), offsetof<Buffer>("data"));
+        store<usize>(changetype<usize>(buffer), changetype<usize>(encoded), offsetof<Buffer>("dataStart"));
+        store<u32>(changetype<usize>(buffer), encoded.byteLength, offsetof<Buffer>("dataLength"));
+
         return buffer;
       }
       assert(false);
diff --git a/tests/compiler/std/buffer.optimized.wat b/tests/compiler/std/buffer.optimized.wat
index 6de6b15ad2..773c9e9c86 100644
--- a/tests/compiler/std/buffer.optimized.wat
+++ b/tests/compiler/std/buffer.optimized.wat
@@ -8,11 +8,14 @@
  (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
  (type $FUNCSIG$dii (func (param i32 i32) (result f64)))
+ (type $FUNCSIG$viiddddd (func (param i32 i32 f64 f64 f64 f64 f64)))
+ (type $FUNCSIG$i (func (result i32)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (import "rtrace" "onalloc" (func $~lib/rt/rtrace/onalloc (param i32)))
  (import "rtrace" "onincrement" (func $~lib/rt/rtrace/onincrement (param i32)))
  (import "rtrace" "ondecrement" (func $~lib/rt/rtrace/ondecrement (param i32)))
  (import "rtrace" "onfree" (func $~lib/rt/rtrace/onfree (param i32)))
+ (import "env" "trace" (func $~lib/builtins/trace (param i32 i32 f64 f64 f64 f64 f64)))
  (memory $0 1)
  (data (i32.const 8) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h")
  (data (i32.const 56) "&\00\00\00\01\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s")
@@ -28,14 +31,18 @@
  (data (i32.const 560) "\1a\00\00\00\01\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s")
  (data (i32.const 608) "\08\00\00\00\01\00\00\00\01\00\00\00\08\00\00\00u\00t\00f\008")
  (data (i32.const 632) " \00\00\00\01\00\00\00\00\00\00\00 \00\00\00\9a\99\99\99\99\99\f1?\9a\99\99\99\99\99\01@ffffff\n@\9a\99\99\99\99\99\11@")
- (data (i32.const 680) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02")
+ (data (i32.const 680) "\0c\00\00\00\01\00\00\00\01\00\00\00\0c\00\00\00a\00b\00c\00d\00e\00f")
+ (data (i32.const 712) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00u\00t\00f\001\006")
+ (data (i32.const 744) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
+ (data (i32.const 792) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00b\00y\00t\00e\00s")
+ (data (i32.const 824) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02")
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (export "memory" (memory $0))
  (start $start)
- (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/removeBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -201,7 +208,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/insertBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/insertBlock (; 7 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -486,7 +493,7 @@
   i32.or
   i32.store offset=4
  )
- (func $~lib/rt/tlsf/addMemory (; 7 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/rt/tlsf/addMemory (; 8 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   local.get $2
@@ -600,7 +607,7 @@
   local.get $1
   call $~lib/rt/tlsf/insertBlock
  )
- (func $~lib/rt/tlsf/initializeRoot (; 8 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/tlsf/initializeRoot (; 9 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   i32.const 1
@@ -620,10 +627,10 @@
   if
    unreachable
   end
-  i32.const 752
+  i32.const 896
   i32.const 0
   i32.store
-  i32.const 2320
+  i32.const 2464
   i32.const 0
   i32.store
   i32.const 0
@@ -637,7 +644,7 @@
     local.get $0
     i32.const 2
     i32.shl
-    i32.const 752
+    i32.const 896
     i32.add
     i32.const 0
     i32.store offset=4
@@ -656,7 +663,7 @@
       i32.add
       i32.const 2
       i32.shl
-      i32.const 752
+      i32.const 896
       i32.add
       i32.const 0
       i32.store offset=96
@@ -674,16 +681,16 @@
     br $loop|0
    end
   end
-  i32.const 752
-  i32.const 2336
+  i32.const 896
+  i32.const 2480
   memory.size
   i32.const 16
   i32.shl
   call $~lib/rt/tlsf/addMemory
-  i32.const 752
+  i32.const 896
   global.set $~lib/rt/tlsf/ROOT
  )
- (func $~lib/rt/tlsf/prepareSize (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/tlsf/prepareSize (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.const 1073741808
   i32.ge_u
@@ -707,7 +714,7 @@
   i32.gt_u
   select
  )
- (func $~lib/rt/tlsf/searchBlock (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/searchBlock (; 11 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $1
   i32.const 256
@@ -838,7 +845,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/growMemory (; 11 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/growMemory (; 12 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   memory.size
   local.tee $2
@@ -875,7 +882,7 @@
   i32.shl
   call $~lib/rt/tlsf/addMemory
  )
- (func $~lib/rt/tlsf/prepareBlock (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/rt/tlsf/prepareBlock (; 13 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   local.get $1
@@ -951,7 +958,7 @@
    i32.store
   end
  )
- (func $~lib/rt/tlsf/allocateBlock (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/allocateBlock (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -1010,7 +1017,7 @@
   call $~lib/rt/rtrace/onalloc
   local.get $2
  )
- (func $~lib/rt/tlsf/__alloc (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/__alloc (; 15 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   global.get $~lib/rt/tlsf/ROOT
   local.tee $2
@@ -1029,7 +1036,7 @@
   i32.const 16
   i32.add
  )
- (func $~lib/memory/memory.fill (; 15 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/memory/memory.fill (; 16 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   block $~lib/util/memory/memset|inlined.0
    local.get $1
@@ -1238,7 +1245,7 @@
    end
   end
  )
- (func $~lib/rt/pure/increment (; 16 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/increment (; 17 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -1279,9 +1286,9 @@
    unreachable
   end
  )
- (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/pure/__retain (; 18 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  i32.const 740
+  i32.const 884
   i32.gt_u
   if
    local.get $0
@@ -1291,7 +1298,7 @@
   end
   local.get $0
  )
- (func $~lib/rt/tlsf/freeBlock (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/freeBlock (; 19 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   local.get $1
   i32.load
@@ -1317,9 +1324,9 @@
   local.get $1
   call $~lib/rt/rtrace/onfree
  )
- (func $~lib/rt/__typeinfo (; 19 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  i32.const 680
+  i32.const 824
   i32.load
   i32.gt_u
   if
@@ -1333,11 +1340,11 @@
   local.get $0
   i32.const 3
   i32.shl
-  i32.const 684
+  i32.const 828
   i32.add
   i32.load
  )
- (func $~lib/memory/memory.copy (; 20 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.copy (; 21 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   block $~lib/util/memory/memmove|inlined.0
@@ -1512,7 +1519,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/__free (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/tlsf/__free (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
   global.get $~lib/rt/tlsf/ROOT
   i32.eqz
   if
@@ -1545,7 +1552,7 @@
   i32.sub
   call $~lib/rt/tlsf/freeBlock
  )
- (func $~lib/rt/pure/growRoots (; 22 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/pure/growRoots (; 23 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -1594,7 +1601,7 @@
   i32.add
   global.set $~lib/rt/pure/END
  )
- (func $~lib/rt/pure/appendRoot (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/appendRoot (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   global.get $~lib/rt/pure/CUR
   local.tee $1
@@ -1613,7 +1620,7 @@
   i32.add
   global.set $~lib/rt/pure/CUR
  )
- (func $~lib/rt/pure/decrement (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/decrement (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -1703,9 +1710,9 @@
    end
   end
  )
- (func $~lib/rt/pure/__release (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/__release (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  i32.const 740
+  i32.const 884
   i32.gt_u
   if
    local.get $0
@@ -1714,7 +1721,7 @@
    call $~lib/rt/pure/decrement
   end
  )
- (func $~lib/arraybuffer/ArrayBufferView#constructor (; 26 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/arraybuffer/ArrayBufferView#constructor (; 27 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $1
@@ -1775,7 +1782,7 @@
   i32.store offset=8
   local.get $0
  )
- (func $~lib/buffer/Buffer#constructor (; 27 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/buffer/Buffer#constructor (; 28 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   i32.const 16
   i32.const 4
@@ -1797,7 +1804,7 @@
   i32.store offset=12
   local.get $0
  )
- (func $~lib/typedarray/Uint8Array#__set (; 28 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/typedarray/Uint8Array#__set (; 29 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1817,7 +1824,7 @@
   local.get $2
   i32.store8
  )
- (func $~lib/typedarray/Uint8Array#__get (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/typedarray/Uint8Array#__get (; 30 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1836,7 +1843,7 @@
   i32.add
   i32.load8_u
  )
- (func $~lib/rt/__allocArray (; 30 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+ (func $~lib/rt/__allocArray (; 31 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
   (local $4 i32)
   i32.const 16
   local.get $2
@@ -1869,7 +1876,7 @@
   end
   local.get $2
  )
- (func $~lib/array/Array<i32>#__get (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/array/Array<i32>#__get (; 32 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1892,7 +1899,7 @@
   i32.add
   i32.load
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 32 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 33 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -1909,7 +1916,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 50
+   i32.const 46
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -1947,7 +1954,7 @@
   call $~lib/rt/pure/__release
   local.get $1
  )
- (func $~lib/array/Array<f64>#__get (; 33 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+ (func $~lib/array/Array<f64>#__get (; 34 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1970,7 +1977,7 @@
   i32.add
   f64.load
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 34 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 35 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -1987,7 +1994,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 50
+   i32.const 46
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -2026,7 +2033,467 @@
   call $~lib/rt/pure/__release
   local.get $1
  )
- (func $start:std/buffer (; 35 ;) (type $FUNCSIG$v)
+ (func $~lib/string/String#get:length (; 36 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.const 16
+  i32.sub
+  i32.load offset=12
+  i32.const 1
+  i32.shr_u
+ )
+ (func $~lib/util/string/compareImpl (; 37 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  i32.const 624
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 624
+  local.set $2
+  local.get $0
+  local.set $3
+  loop $continue|0
+   local.get $1
+   if (result i32)
+    local.get $2
+    i32.load16_u
+    local.get $3
+    i32.load16_u
+    i32.sub
+    local.tee $4
+    i32.eqz
+   else    
+    i32.const 0
+   end
+   if
+    local.get $1
+    i32.const 1
+    i32.sub
+    local.set $1
+    local.get $2
+    i32.const 2
+    i32.add
+    local.set $2
+    local.get $3
+    i32.const 2
+    i32.add
+    local.set $3
+    br $continue|0
+   end
+  end
+  i32.const 624
+  call $~lib/rt/pure/__release
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $4
+ )
+ (func $~lib/string/String.__eq (; 38 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  i32.const 624
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $0
+  i32.const 624
+  i32.eq
+  if
+   i32.const 624
+   call $~lib/rt/pure/__release
+   local.get $0
+   call $~lib/rt/pure/__release
+   i32.const 1
+   return
+  end
+  block $folding-inner0
+   local.get $0
+   i32.eqz
+   br_if $folding-inner0
+   i32.const 624
+   call $~lib/string/String#get:length
+   local.tee $1
+   local.get $0
+   call $~lib/string/String#get:length
+   i32.ne
+   br_if $folding-inner0
+   local.get $0
+   local.get $1
+   call $~lib/util/string/compareImpl
+   i32.eqz
+   i32.const 624
+   call $~lib/rt/pure/__release
+   local.get $0
+   call $~lib/rt/pure/__release
+   return
+  end
+  i32.const 624
+  call $~lib/rt/pure/__release
+  local.get $0
+  call $~lib/rt/pure/__release
+  i32.const 0
+ )
+ (func $~lib/string/String.UTF8.byteLength (; 39 ;) (type $FUNCSIG$i) (result i32)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  i32.const 696
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 696
+  local.set $0
+  i32.const 692
+  i32.load
+  i32.const 696
+  i32.add
+  local.set $2
+  loop $continue|0
+   local.get $0
+   local.get $2
+   i32.lt_u
+   if
+    local.get $0
+    i32.load16_u
+    local.tee $3
+    i32.const 128
+    i32.lt_u
+    if (result i32)
+     local.get $1
+     i32.const 1
+     i32.add
+    else     
+     local.get $3
+     i32.const 2048
+     i32.lt_u
+     if (result i32)
+      local.get $1
+      i32.const 2
+      i32.add
+     else      
+      local.get $0
+      i32.const 2
+      i32.add
+      local.get $2
+      i32.lt_u
+      i32.const 0
+      local.get $3
+      i32.const 64512
+      i32.and
+      i32.const 55296
+      i32.eq
+      select
+      if
+       local.get $0
+       i32.load16_u offset=2
+       i32.const 64512
+       i32.and
+       i32.const 56320
+       i32.eq
+       if
+        local.get $0
+        i32.const 4
+        i32.add
+        local.set $0
+        local.get $1
+        i32.const 4
+        i32.add
+        local.set $1
+        br $continue|0
+       end
+      end
+      local.get $1
+      i32.const 3
+      i32.add
+     end
+    end
+    local.set $1
+    local.get $0
+    i32.const 2
+    i32.add
+    local.set $0
+    br $continue|0
+   end
+  end
+  i32.const 696
+  call $~lib/rt/pure/__release
+  local.get $1
+ )
+ (func $~lib/string/String.UTF8.encode (; 40 ;) (type $FUNCSIG$i) (result i32)
+  (local $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  i32.const 696
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 696
+  local.set $2
+  i32.const 692
+  i32.load
+  i32.const 696
+  i32.add
+  local.set $3
+  call $~lib/string/String.UTF8.byteLength
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.tee $4
+  local.set $0
+  loop $continue|0
+   local.get $2
+   local.get $3
+   i32.lt_u
+   if
+    local.get $2
+    i32.load16_u
+    local.tee $1
+    i32.const 128
+    i32.lt_u
+    if (result i32)
+     local.get $0
+     local.get $1
+     i32.store8
+     local.get $0
+     i32.const 1
+     i32.add
+    else     
+     local.get $1
+     i32.const 2048
+     i32.lt_u
+     if (result i32)
+      local.get $0
+      local.get $1
+      i32.const 6
+      i32.shr_u
+      i32.const 192
+      i32.or
+      i32.store8
+      local.get $0
+      local.get $1
+      i32.const 63
+      i32.and
+      i32.const 128
+      i32.or
+      i32.store8 offset=1
+      local.get $0
+      i32.const 2
+      i32.add
+     else      
+      local.get $2
+      i32.const 2
+      i32.add
+      local.get $3
+      i32.lt_u
+      i32.const 0
+      local.get $1
+      i32.const 64512
+      i32.and
+      i32.const 55296
+      i32.eq
+      select
+      if
+       local.get $2
+       i32.load16_u offset=2
+       local.tee $5
+       i32.const 64512
+       i32.and
+       i32.const 56320
+       i32.eq
+       if
+        local.get $0
+        local.get $1
+        i32.const 1023
+        i32.and
+        i32.const 10
+        i32.shl
+        i32.const 65536
+        i32.add
+        local.get $5
+        i32.const 1023
+        i32.and
+        i32.add
+        local.tee $1
+        i32.const 18
+        i32.shr_u
+        i32.const 240
+        i32.or
+        i32.store8
+        local.get $0
+        local.get $1
+        i32.const 12
+        i32.shr_u
+        i32.const 63
+        i32.and
+        i32.const 128
+        i32.or
+        i32.store8 offset=1
+        local.get $0
+        local.get $1
+        i32.const 6
+        i32.shr_u
+        i32.const 63
+        i32.and
+        i32.const 128
+        i32.or
+        i32.store8 offset=2
+        local.get $0
+        local.get $1
+        i32.const 63
+        i32.and
+        i32.const 128
+        i32.or
+        i32.store8 offset=3
+        local.get $2
+        i32.const 4
+        i32.add
+        local.set $2
+        local.get $0
+        i32.const 4
+        i32.add
+        local.set $0
+        br $continue|0
+       end
+      end
+      local.get $0
+      local.get $1
+      i32.const 12
+      i32.shr_u
+      i32.const 224
+      i32.or
+      i32.store8
+      local.get $0
+      local.get $1
+      i32.const 6
+      i32.shr_u
+      i32.const 63
+      i32.and
+      i32.const 128
+      i32.or
+      i32.store8 offset=1
+      local.get $0
+      local.get $1
+      i32.const 63
+      i32.and
+      i32.const 128
+      i32.or
+      i32.store8 offset=2
+      local.get $0
+      i32.const 3
+      i32.add
+     end
+    end
+    local.set $0
+    local.get $2
+    i32.const 2
+    i32.add
+    local.set $2
+    br $continue|0
+   end
+  end
+  local.get $2
+  local.get $3
+  i32.ne
+  if
+   i32.const 0
+   i32.const 760
+   i32.const 571
+   i32.const 8
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $4
+  call $~lib/rt/pure/__retain
+  i32.const 696
+  call $~lib/rt/pure/__release
+ )
+ (func $~lib/string/String.UTF16.encode (; 41 ;) (type $FUNCSIG$i) (result i32)
+  (local $0 i32)
+  (local $1 i32)
+  i32.const 696
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 692
+  i32.load
+  local.tee $0
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.tee $1
+  i32.const 696
+  local.get $0
+  call $~lib/memory/memory.copy
+  local.get $1
+  call $~lib/rt/pure/__retain
+  i32.const 696
+  call $~lib/rt/pure/__release
+ )
+ (func $~lib/buffer/Buffer.from<~lib/string/String> (; 42 ;) (type $FUNCSIG$i) (result i32)
+  (local $0 i32)
+  (local $1 i32)
+  i32.const 696
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 624
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 0
+  call $~lib/string/String.__eq
+  drop
+  i32.const 624
+  call $~lib/string/String.__eq
+  if (result i32)
+   i32.const 1
+  else   
+   i32.const 728
+   call $~lib/string/String.__eq
+  end
+  if
+   i32.const 624
+   call $~lib/string/String.__eq
+   if (result i32)
+    call $~lib/string/String.UTF8.encode
+   else    
+    call $~lib/string/String.UTF16.encode
+   end
+   local.set $0
+   i32.const 16
+   i32.const 4
+   call $~lib/rt/tlsf/__alloc
+   call $~lib/rt/pure/__retain
+   local.tee $1
+   local.get $0
+   call $~lib/rt/pure/__retain
+   i32.store
+   local.get $1
+   local.get $0
+   i32.store offset=4
+   local.get $1
+   local.get $0
+   i32.const 16
+   i32.sub
+   i32.load offset=12
+   i32.store offset=8
+   local.get $0
+   call $~lib/rt/pure/__release
+   i32.const 696
+   call $~lib/rt/pure/__release
+   i32.const 624
+   call $~lib/rt/pure/__release
+   local.get $1
+   return
+  end
+  i32.const 0
+  i32.const 528
+  i32.const 41
+  i32.const 6
+  call $~lib/builtins/abort
+  unreachable
+ )
+ (func $start:std/buffer (; 43 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -2198,9 +2665,10 @@
   call $~lib/rt/pure/__retain
   local.tee $5
   call $~lib/buffer/Buffer.from<~lib/array/Array<f64>>
+  local.set $1
   local.get $0
   call $~lib/rt/pure/__release
-  local.tee $0
+  local.get $1
   i32.const 0
   call $~lib/typedarray/Uint8Array#__get
   i32.const 1
@@ -2213,7 +2681,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  local.get $0
+  local.get $1
   i32.const 1
   call $~lib/typedarray/Uint8Array#__get
   i32.const 2
@@ -2226,7 +2694,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  local.get $0
+  local.get $1
   i32.const 2
   call $~lib/typedarray/Uint8Array#__get
   i32.const 3
@@ -2239,7 +2707,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  local.get $0
+  local.get $1
   i32.const 3
   call $~lib/typedarray/Uint8Array#__get
   i32.const 4
@@ -2252,6 +2720,111 @@
    call $~lib/builtins/abort
    unreachable
   end
+  call $~lib/buffer/Buffer.from<~lib/string/String>
+  local.set $0
+  local.get $1
+  call $~lib/rt/pure/__release
+  i32.const 808
+  i32.const 5
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 4
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  call $~lib/builtins/trace
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 97
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 31
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 98
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 32
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 99
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 33
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 100
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 34
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 4
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 101
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 35
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 5
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 102
+  i32.ne
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 36
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
   local.get $0
   call $~lib/rt/pure/__release
   local.get $2
@@ -2263,10 +2836,10 @@
   local.get $5
   call $~lib/rt/pure/__release
  )
- (func $start (; 36 ;) (type $FUNCSIG$v)
+ (func $start (; 44 ;) (type $FUNCSIG$v)
   call $start:std/buffer
  )
- (func $~lib/rt/pure/markGray (; 37 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/markGray (; 45 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -2290,7 +2863,7 @@
    call $~lib/rt/__visit_members
   end
  )
- (func $~lib/rt/pure/scanBlack (; 38 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scanBlack (; 46 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   local.get $0
   i32.load offset=4
@@ -2303,7 +2876,7 @@
   i32.const 4
   call $~lib/rt/__visit_members
  )
- (func $~lib/rt/pure/scan (; 39 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scan (; 47 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -2337,7 +2910,7 @@
    end
   end
  )
- (func $~lib/rt/pure/collectWhite (; 40 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/collectWhite (; 48 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -2370,9 +2943,9 @@
    call $~lib/rt/tlsf/freeBlock
   end
  )
- (func $~lib/rt/pure/__visit (; 41 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/pure/__visit (; 49 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   local.get $0
-  i32.const 740
+  i32.const 884
   i32.lt_u
   if
    return
@@ -2480,7 +3053,7 @@
    unreachable
   end
  )
- (func $~lib/rt/__visit_members (; 42 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/__visit_members (; 50 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   block $block$4$break
    block $switch$1$default
     block $switch$1$case$2
@@ -2503,7 +3076,7 @@
    call $~lib/rt/pure/__visit
   end
  )
- (func $null (; 43 ;) (type $FUNCSIG$v)
+ (func $null (; 51 ;) (type $FUNCSIG$v)
   nop
  )
 )
diff --git a/tests/compiler/std/buffer.ts b/tests/compiler/std/buffer.ts
index caf3c07a73..ad73c4b1bd 100644
--- a/tests/compiler/std/buffer.ts
+++ b/tests/compiler/std/buffer.ts
@@ -25,4 +25,13 @@
   assert(buffer[1] == <u8>2.2);
   assert(buffer[2] == <u8>3.3);
   assert(buffer[3] == <u8>4.4);
+
+  buffer = Buffer.from<string>("abcdef");
+  trace("bytes", 5, buffer[0], buffer[1], buffer[2], buffer[3], buffer[4]);
+  assert(buffer[0] == <u8>0x61);
+  assert(buffer[1] == <u8>0x62);
+  assert(buffer[2] == <u8>0x63);
+  assert(buffer[3] == <u8>0x64);
+  assert(buffer[4] == <u8>0x65);
+  assert(buffer[5] == <u8>0x66);
 }
diff --git a/tests/compiler/std/buffer.untouched.wat b/tests/compiler/std/buffer.untouched.wat
index 71d050843a..0b061704ff 100644
--- a/tests/compiler/std/buffer.untouched.wat
+++ b/tests/compiler/std/buffer.untouched.wat
@@ -9,11 +9,14 @@
  (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
  (type $FUNCSIG$dii (func (param i32 i32) (result f64)))
+ (type $FUNCSIG$iiiiii (func (param i32 i32 i32 i32 i32) (result i32)))
+ (type $FUNCSIG$viiddddd (func (param i32 i32 f64 f64 f64 f64 f64)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (import "rtrace" "onalloc" (func $~lib/rt/rtrace/onalloc (param i32)))
  (import "rtrace" "onincrement" (func $~lib/rt/rtrace/onincrement (param i32)))
  (import "rtrace" "ondecrement" (func $~lib/rt/rtrace/ondecrement (param i32)))
  (import "rtrace" "onfree" (func $~lib/rt/rtrace/onfree (param i32)))
+ (import "env" "trace" (func $~lib/builtins/trace (param i32 i32 f64 f64 f64 f64 f64)))
  (memory $0 1)
  (data (i32.const 8) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h\00")
  (data (i32.const 56) "&\00\00\00\01\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s\00")
@@ -29,7 +32,11 @@
  (data (i32.const 560) "\1a\00\00\00\01\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00")
  (data (i32.const 608) "\08\00\00\00\01\00\00\00\01\00\00\00\08\00\00\00u\00t\00f\008\00")
  (data (i32.const 632) " \00\00\00\01\00\00\00\00\00\00\00 \00\00\00\9a\99\99\99\99\99\f1?\9a\99\99\99\99\99\01@ffffff\n@\9a\99\99\99\99\99\11@")
- (data (i32.const 680) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02\00\00\00")
+ (data (i32.const 680) "\0c\00\00\00\01\00\00\00\01\00\00\00\0c\00\00\00a\00b\00c\00d\00e\00f\00")
+ (data (i32.const 712) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00u\00t\00f\001\006\00")
+ (data (i32.const 744) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s\00")
+ (data (i32.const 792) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00b\00y\00t\00e\00s\00")
+ (data (i32.const 824) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02\00\00\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
@@ -40,11 +47,11 @@
  (global $~lib/buffer/Buffer.NO_ENCODING (mut i32) (i32.const 0))
  (global $~lib/buffer/Buffer.UTF8_ENCODING (mut i32) (i32.const 1))
  (global $~lib/buffer/Buffer.UTF16_ENCODING (mut i32) (i32.const 2))
- (global $~lib/rt/__rtti_base i32 (i32.const 680))
- (global $~lib/heap/__heap_base i32 (i32.const 740))
+ (global $~lib/rt/__rtti_base i32 (i32.const 824))
+ (global $~lib/heap/__heap_base i32 (i32.const 884))
  (export "memory" (memory $0))
  (start $start)
- (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/removeBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -254,7 +261,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/insertBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/insertBlock (; 7 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -604,7 +611,7 @@
   local.get $7
   i32.store offset=4
  )
- (func $~lib/rt/tlsf/addMemory (; 7 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/rt/tlsf/addMemory (; 8 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -752,7 +759,7 @@
   call $~lib/rt/tlsf/insertBlock
   i32.const 1
  )
- (func $~lib/rt/tlsf/initializeRoot (; 8 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/tlsf/initializeRoot (; 9 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -897,7 +904,7 @@
   local.get $3
   global.set $~lib/rt/tlsf/ROOT
  )
- (func $~lib/rt/tlsf/prepareSize (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/tlsf/prepareSize (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -926,7 +933,7 @@
   i32.gt_u
   select
  )
- (func $~lib/rt/tlsf/searchBlock (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/searchBlock (; 11 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -1109,7 +1116,7 @@
   end
   local.get $7
  )
- (func $~lib/rt/tlsf/growMemory (; 11 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/growMemory (; 12 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -1162,7 +1169,7 @@
   call $~lib/rt/tlsf/addMemory
   drop
  )
- (func $~lib/rt/tlsf/prepareBlock (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/rt/tlsf/prepareBlock (; 13 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -1257,7 +1264,7 @@
    i32.store
   end
  )
- (func $~lib/rt/tlsf/allocateBlock (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/allocateBlock (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $1
@@ -1320,7 +1327,7 @@
   call $~lib/rt/rtrace/onalloc
   local.get $3
  )
- (func $~lib/rt/tlsf/__alloc (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/__alloc (; 15 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   global.get $~lib/rt/tlsf/ROOT
@@ -1343,7 +1350,7 @@
   i32.const 16
   i32.add
  )
- (func $~lib/memory/memory.fill (; 15 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.fill (; 16 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -1607,7 +1614,7 @@
    end
   end
  )
- (func $~lib/rt/pure/increment (; 16 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/increment (; 17 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -1652,7 +1659,7 @@
    unreachable
   end
  )
- (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/pure/__retain (; 18 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   global.get $~lib/heap/__heap_base
   i32.gt_u
@@ -1664,7 +1671,7 @@
   end
   local.get $0
  )
- (func $~lib/rt/tlsf/freeBlock (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/freeBlock (; 19 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   local.get $1
   i32.load
@@ -1693,7 +1700,7 @@
   local.get $1
   call $~lib/rt/rtrace/onfree
  )
- (func $~lib/rt/__typeinfo (; 19 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   global.get $~lib/rt/__rtti_base
   local.set $1
@@ -1718,7 +1725,7 @@
   i32.add
   i32.load
  )
- (func $~lib/util/memory/memcpy (; 20 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/util/memory/memcpy (; 21 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -2746,7 +2753,7 @@
    i32.store8
   end
  )
- (func $~lib/memory/memory.copy (; 21 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.copy (; 22 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -2971,7 +2978,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/__free (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/tlsf/__free (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
   global.get $~lib/rt/tlsf/ROOT
   i32.eqz
   if
@@ -3008,7 +3015,7 @@
   i32.sub
   call $~lib/rt/tlsf/freeBlock
  )
- (func $~lib/rt/pure/growRoots (; 23 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/pure/growRoots (; 24 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -3066,7 +3073,7 @@
   i32.add
   global.set $~lib/rt/pure/END
  )
- (func $~lib/rt/pure/appendRoot (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/appendRoot (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   global.get $~lib/rt/pure/CUR
   local.set $1
@@ -3086,7 +3093,7 @@
   i32.add
   global.set $~lib/rt/pure/CUR
  )
- (func $~lib/rt/pure/decrement (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/decrement (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -3190,7 +3197,7 @@
    end
   end
  )
- (func $~lib/rt/pure/__release (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   global.get $~lib/heap/__heap_base
   i32.gt_u
@@ -3201,7 +3208,7 @@
    call $~lib/rt/pure/decrement
   end
  )
- (func $~lib/arraybuffer/ArrayBufferView#constructor (; 27 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/arraybuffer/ArrayBufferView#constructor (; 28 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -3272,7 +3279,7 @@
   i32.store offset=8
   local.get $0
  )
- (func $~lib/typedarray/Uint8Array#constructor (; 28 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/typedarray/Uint8Array#constructor (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   if (result i32)
    local.get $0
@@ -3288,7 +3295,7 @@
   local.set $0
   local.get $0
  )
- (func $~lib/buffer/Buffer#constructor (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/buffer/Buffer#constructor (; 30 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   if (result i32)
    local.get $0
@@ -3306,7 +3313,7 @@
   i32.store offset=12
   local.get $0
  )
- (func $~lib/typedarray/Uint8Array#__set (; 30 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/typedarray/Uint8Array#__set (; 31 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3326,7 +3333,7 @@
   local.get $2
   i32.store8
  )
- (func $~lib/typedarray/Uint8Array#__get (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/typedarray/Uint8Array#__get (; 32 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3345,7 +3352,7 @@
   i32.add
   i32.load8_u
  )
- (func $~lib/rt/__allocArray (; 32 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+ (func $~lib/rt/__allocArray (; 33 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
   (local $4 i32)
   (local $5 i32)
   (local $6 i32)
@@ -3383,11 +3390,11 @@
   end
   local.get $4
  )
- (func $~lib/array/Array<i32>#get:length (; 33 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/array/Array<i32>#get:length (; 34 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.load offset=12
  )
- (func $~lib/array/Array<i32>#__unchecked_get (; 34 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/array/Array<i32>#__unchecked_get (; 35 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   i32.load offset=4
   local.get $1
@@ -3396,7 +3403,7 @@
   i32.add
   i32.load
  )
- (func $~lib/array/Array<i32>#__get (; 35 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/array/Array<i32>#__get (; 36 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3415,7 +3422,7 @@
   local.get $1
   call $~lib/array/Array<i32>#__unchecked_get
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 36 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 37 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3442,7 +3449,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 50
+   i32.const 46
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -3488,11 +3495,11 @@
   local.get $6
   return
  )
- (func $~lib/array/Array<f64>#get:length (; 37 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/array/Array<f64>#get:length (; 38 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.load offset=12
  )
- (func $~lib/array/Array<f64>#__unchecked_get (; 38 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+ (func $~lib/array/Array<f64>#__unchecked_get (; 39 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
   local.get $0
   i32.load offset=4
   local.get $1
@@ -3501,7 +3508,7 @@
   i32.add
   f64.load
  )
- (func $~lib/array/Array<f64>#__get (; 39 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+ (func $~lib/array/Array<f64>#__get (; 40 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3520,7 +3527,7 @@
   local.get $1
   call $~lib/array/Array<f64>#__unchecked_get
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 40 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 41 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3547,7 +3554,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 50
+   i32.const 46
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -3594,7 +3601,838 @@
   local.get $6
   return
  )
- (func $start:std/buffer (; 41 ;) (type $FUNCSIG$v)
+ (func $~lib/string/String#get:length (; 42 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.const 16
+  i32.sub
+  i32.load offset=12
+  i32.const 1
+  i32.shr_u
+ )
+ (func $~lib/util/string/compareImpl (; 43 ;) (type $FUNCSIG$iiiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (param $4 i32) (result i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $2
+  call $~lib/rt/pure/__retain
+  drop
+  i32.const 0
+  local.set $5
+  local.get $0
+  local.get $1
+  i32.const 1
+  i32.shl
+  i32.add
+  local.set $6
+  local.get $2
+  local.get $3
+  i32.const 1
+  i32.shl
+  i32.add
+  local.set $7
+  block $break|0
+   loop $continue|0
+    local.get $4
+    if (result i32)
+     local.get $6
+     i32.load16_u
+     local.get $7
+     i32.load16_u
+     i32.sub
+     local.tee $5
+     i32.eqz
+    else     
+     i32.const 0
+    end
+    i32.eqz
+    br_if $break|0
+    local.get $4
+    i32.const 1
+    i32.sub
+    local.set $4
+    local.get $6
+    i32.const 2
+    i32.add
+    local.set $6
+    local.get $7
+    i32.const 2
+    i32.add
+    local.set $7
+    br $continue|0
+   end
+   unreachable
+  end
+  local.get $5
+  local.set $8
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $2
+  call $~lib/rt/pure/__release
+  local.get $8
+ )
+ (func $~lib/string/String.__eq (; 44 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $1
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $0
+  local.get $1
+  i32.eq
+  if
+   i32.const 1
+   local.set $2
+   local.get $0
+   call $~lib/rt/pure/__release
+   local.get $1
+   call $~lib/rt/pure/__release
+   local.get $2
+   return
+  end
+  local.get $0
+  i32.const 0
+  i32.eq
+  if (result i32)
+   i32.const 1
+  else   
+   local.get $1
+   i32.const 0
+   i32.eq
+  end
+  if
+   i32.const 0
+   local.set $2
+   local.get $0
+   call $~lib/rt/pure/__release
+   local.get $1
+   call $~lib/rt/pure/__release
+   local.get $2
+   return
+  end
+  local.get $0
+  call $~lib/string/String#get:length
+  local.set $3
+  local.get $3
+  local.get $1
+  call $~lib/string/String#get:length
+  i32.ne
+  if
+   i32.const 0
+   local.set $2
+   local.get $0
+   call $~lib/rt/pure/__release
+   local.get $1
+   call $~lib/rt/pure/__release
+   local.get $2
+   return
+  end
+  local.get $0
+  i32.const 0
+  local.get $1
+  i32.const 0
+  local.get $3
+  call $~lib/util/string/compareImpl
+  i32.eqz
+  local.set $2
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $1
+  call $~lib/rt/pure/__release
+  local.get $2
+ )
+ (func $~lib/string/String.UTF8.byteLength (; 45 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $0
+  local.set $2
+  local.get $2
+  local.get $0
+  i32.const 16
+  i32.sub
+  i32.load offset=12
+  i32.add
+  local.set $3
+  local.get $1
+  if (result i32)
+   i32.const 1
+  else   
+   i32.const 0
+  end
+  local.set $4
+  block $break|0
+   loop $continue|0
+    local.get $2
+    local.get $3
+    i32.lt_u
+    i32.eqz
+    br_if $break|0
+    local.get $2
+    i32.load16_u
+    local.set $5
+    local.get $5
+    i32.const 128
+    i32.lt_u
+    if
+     local.get $1
+     if (result i32)
+      local.get $5
+      i32.eqz
+     else      
+      i32.const 0
+     end
+     if
+      br $break|0
+     end
+     local.get $4
+     i32.const 1
+     i32.add
+     local.set $4
+     local.get $2
+     i32.const 2
+     i32.add
+     local.set $2
+    else     
+     local.get $5
+     i32.const 2048
+     i32.lt_u
+     if
+      local.get $4
+      i32.const 2
+      i32.add
+      local.set $4
+      local.get $2
+      i32.const 2
+      i32.add
+      local.set $2
+     else      
+      local.get $5
+      i32.const 64512
+      i32.and
+      i32.const 55296
+      i32.eq
+      if (result i32)
+       local.get $2
+       i32.const 2
+       i32.add
+       local.get $3
+       i32.lt_u
+      else       
+       i32.const 0
+      end
+      if
+       local.get $2
+       i32.load16_u offset=2
+       i32.const 64512
+       i32.and
+       i32.const 56320
+       i32.eq
+       if
+        local.get $2
+        i32.const 4
+        i32.add
+        local.set $2
+        local.get $4
+        i32.const 4
+        i32.add
+        local.set $4
+        br $continue|0
+       end
+      end
+      local.get $2
+      i32.const 2
+      i32.add
+      local.set $2
+      local.get $4
+      i32.const 3
+      i32.add
+      local.set $4
+     end
+    end
+    br $continue|0
+   end
+   unreachable
+  end
+  local.get $4
+  local.set $5
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $5
+ )
+ (func $~lib/rt/tlsf/reallocateBlock (; 46 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  local.get $2
+  call $~lib/rt/tlsf/prepareSize
+  local.set $3
+  local.get $1
+  i32.load
+  local.set $4
+  local.get $4
+  i32.const 1
+  i32.and
+  i32.eqz
+  if (result i32)
+   local.get $1
+   i32.load offset=4
+   i32.const -268435456
+   i32.and
+   i32.eqz
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 495
+   i32.const 4
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $3
+  local.get $4
+  i32.const -4
+  i32.and
+  i32.le_u
+  if
+   local.get $0
+   local.get $1
+   local.get $3
+   call $~lib/rt/tlsf/prepareBlock
+   local.get $1
+   local.get $2
+   i32.store offset=12
+   local.get $1
+   return
+  end
+  local.get $1
+  local.set $5
+  local.get $5
+  i32.const 16
+  i32.add
+  local.get $5
+  i32.load
+  i32.const 3
+  i32.const -1
+  i32.xor
+  i32.and
+  i32.add
+  local.set $6
+  local.get $6
+  i32.load
+  local.set $7
+  local.get $7
+  i32.const 1
+  i32.and
+  if
+   local.get $4
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.const 16
+   i32.add
+   local.get $7
+   i32.const 3
+   i32.const -1
+   i32.xor
+   i32.and
+   i32.add
+   local.set $5
+   local.get $5
+   local.get $3
+   i32.ge_u
+   if
+    local.get $0
+    local.get $6
+    call $~lib/rt/tlsf/removeBlock
+    local.get $1
+    local.get $4
+    i32.const 3
+    i32.and
+    local.get $5
+    i32.or
+    i32.store
+    local.get $1
+    local.get $2
+    i32.store offset=12
+    local.get $0
+    local.get $1
+    local.get $3
+    call $~lib/rt/tlsf/prepareBlock
+    local.get $1
+    return
+   end
+  end
+  local.get $0
+  local.get $2
+  call $~lib/rt/tlsf/allocateBlock
+  local.set $8
+  local.get $8
+  local.get $1
+  i32.load offset=8
+  i32.store offset=8
+  local.get $8
+  i32.const 16
+  i32.add
+  local.get $1
+  i32.const 16
+  i32.add
+  local.get $2
+  call $~lib/memory/memory.copy
+  local.get $1
+  local.get $4
+  i32.const 1
+  i32.or
+  i32.store
+  local.get $0
+  local.get $1
+  call $~lib/rt/tlsf/insertBlock
+  local.get $1
+  call $~lib/rt/rtrace/onfree
+  local.get $8
+ )
+ (func $~lib/rt/tlsf/__realloc (; 47 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  global.get $~lib/rt/tlsf/ROOT
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 559
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 0
+  i32.ne
+  if (result i32)
+   local.get $0
+   i32.const 15
+   i32.and
+   i32.eqz
+  else   
+   i32.const 0
+  end
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 560
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  global.get $~lib/rt/tlsf/ROOT
+  local.get $0
+  i32.const 16
+  i32.sub
+  local.get $1
+  call $~lib/rt/tlsf/reallocateBlock
+  i32.const 16
+  i32.add
+ )
+ (func $~lib/string/String.UTF8.encode (; 48 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $0
+  local.set $2
+  local.get $0
+  local.get $0
+  i32.const 16
+  i32.sub
+  i32.load offset=12
+  i32.add
+  local.set $3
+  local.get $0
+  local.get $1
+  call $~lib/string/String.UTF8.byteLength
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.set $4
+  local.get $4
+  local.set $5
+  block $break|0
+   loop $continue|0
+    local.get $2
+    local.get $3
+    i32.lt_u
+    i32.eqz
+    br_if $break|0
+    local.get $2
+    i32.load16_u
+    local.set $6
+    local.get $6
+    i32.const 128
+    i32.lt_u
+    if
+     local.get $1
+     if (result i32)
+      local.get $6
+      i32.eqz
+     else      
+      i32.const 0
+     end
+     if
+      br $break|0
+     end
+     local.get $5
+     local.get $6
+     i32.store8
+     local.get $5
+     i32.const 1
+     i32.add
+     local.set $5
+     local.get $2
+     i32.const 2
+     i32.add
+     local.set $2
+    else     
+     local.get $6
+     i32.const 2048
+     i32.lt_u
+     if
+      local.get $5
+      local.get $6
+      i32.const 6
+      i32.shr_u
+      i32.const 192
+      i32.or
+      i32.store8
+      local.get $5
+      local.get $6
+      i32.const 63
+      i32.and
+      i32.const 128
+      i32.or
+      i32.store8 offset=1
+      local.get $5
+      i32.const 2
+      i32.add
+      local.set $5
+      local.get $2
+      i32.const 2
+      i32.add
+      local.set $2
+     else      
+      local.get $6
+      i32.const 64512
+      i32.and
+      i32.const 55296
+      i32.eq
+      if (result i32)
+       local.get $2
+       i32.const 2
+       i32.add
+       local.get $3
+       i32.lt_u
+      else       
+       i32.const 0
+      end
+      if
+       local.get $2
+       i32.load16_u offset=2
+       local.set $7
+       local.get $7
+       i32.const 64512
+       i32.and
+       i32.const 56320
+       i32.eq
+       if
+        i32.const 65536
+        local.get $6
+        i32.const 1023
+        i32.and
+        i32.const 10
+        i32.shl
+        i32.add
+        local.get $7
+        i32.const 1023
+        i32.and
+        i32.add
+        local.set $6
+        local.get $5
+        local.get $6
+        i32.const 18
+        i32.shr_u
+        i32.const 240
+        i32.or
+        i32.store8
+        local.get $5
+        local.get $6
+        i32.const 12
+        i32.shr_u
+        i32.const 63
+        i32.and
+        i32.const 128
+        i32.or
+        i32.store8 offset=1
+        local.get $5
+        local.get $6
+        i32.const 6
+        i32.shr_u
+        i32.const 63
+        i32.and
+        i32.const 128
+        i32.or
+        i32.store8 offset=2
+        local.get $5
+        local.get $6
+        i32.const 63
+        i32.and
+        i32.const 128
+        i32.or
+        i32.store8 offset=3
+        local.get $2
+        i32.const 4
+        i32.add
+        local.set $2
+        local.get $5
+        i32.const 4
+        i32.add
+        local.set $5
+        br $continue|0
+       end
+      end
+      local.get $5
+      local.get $6
+      i32.const 12
+      i32.shr_u
+      i32.const 224
+      i32.or
+      i32.store8
+      local.get $5
+      local.get $6
+      i32.const 6
+      i32.shr_u
+      i32.const 63
+      i32.and
+      i32.const 128
+      i32.or
+      i32.store8 offset=1
+      local.get $5
+      local.get $6
+      i32.const 63
+      i32.and
+      i32.const 128
+      i32.or
+      i32.store8 offset=2
+      local.get $2
+      i32.const 2
+      i32.add
+      local.set $2
+      local.get $5
+      i32.const 3
+      i32.add
+      local.set $5
+     end
+    end
+    br $continue|0
+   end
+   unreachable
+  end
+  local.get $1
+  if
+   local.get $2
+   local.get $3
+   i32.le_u
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 760
+    i32.const 567
+    i32.const 8
+    call $~lib/builtins/abort
+    unreachable
+   end
+   local.get $4
+   local.get $5
+   local.get $4
+   i32.sub
+   i32.const 1
+   i32.add
+   call $~lib/rt/tlsf/__realloc
+   local.set $4
+   local.get $5
+   i32.const 0
+   i32.store8
+  else   
+   local.get $2
+   local.get $3
+   i32.eq
+   i32.eqz
+   if
+    i32.const 0
+    i32.const 760
+    i32.const 571
+    i32.const 8
+    call $~lib/builtins/abort
+    unreachable
+   end
+  end
+  local.get $4
+  call $~lib/rt/pure/__retain
+  local.set $6
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $6
+ )
+ (func $~lib/string/String.UTF16.encode (; 49 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  (local $2 i32)
+  (local $3 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $0
+  i32.const 16
+  i32.sub
+  i32.load offset=12
+  local.set $1
+  local.get $1
+  i32.const 0
+  call $~lib/rt/tlsf/__alloc
+  local.set $2
+  local.get $2
+  local.get $0
+  local.get $1
+  call $~lib/memory/memory.copy
+  local.get $2
+  call $~lib/rt/pure/__retain
+  local.set $3
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $3
+ )
+ (func $~lib/arraybuffer/ArrayBuffer#get:byteLength (; 50 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.const 16
+  i32.sub
+  i32.load offset=12
+ )
+ (func $~lib/buffer/Buffer.from<~lib/string/String> (; 51 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
+  (local $4 i32)
+  local.get $0
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $1
+  call $~lib/rt/pure/__retain
+  drop
+  local.get $1
+  i32.const 0
+  call $~lib/string/String.__eq
+  if
+   i32.const 624
+   local.tee $2
+   local.get $1
+   local.tee $3
+   i32.ne
+   if
+    local.get $2
+    call $~lib/rt/pure/__retain
+    drop
+    local.get $3
+    call $~lib/rt/pure/__release
+   end
+   local.get $2
+   local.set $1
+  end
+  local.get $1
+  i32.const 624
+  call $~lib/string/String.__eq
+  if (result i32)
+   i32.const 1
+  else   
+   local.get $1
+   i32.const 728
+   call $~lib/string/String.__eq
+  end
+  if
+   local.get $1
+   i32.const 624
+   call $~lib/string/String.__eq
+   if (result i32)
+    local.get $0
+    i32.const 0
+    call $~lib/string/String.UTF8.encode
+   else    
+    local.get $0
+    call $~lib/string/String.UTF16.encode
+   end
+   local.set $2
+   i32.const 16
+   i32.const 4
+   call $~lib/rt/tlsf/__alloc
+   call $~lib/rt/pure/__retain
+   local.set $3
+   local.get $3
+   local.get $2
+   call $~lib/rt/pure/__retain
+   i32.store
+   local.get $3
+   local.get $2
+   i32.store offset=4
+   local.get $3
+   local.get $2
+   call $~lib/arraybuffer/ArrayBuffer#get:byteLength
+   i32.store offset=8
+   local.get $3
+   local.set $4
+   local.get $2
+   call $~lib/rt/pure/__release
+   local.get $0
+   call $~lib/rt/pure/__release
+   local.get $1
+   call $~lib/rt/pure/__release
+   local.get $4
+   return
+  end
+  i32.const 0
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 528
+   i32.const 41
+   i32.const 6
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 0
+  call $~lib/rt/pure/__retain
+  local.set $3
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $1
+  call $~lib/rt/pure/__release
+  local.get $3
+  return
+ )
+ (func $start:std/buffer (; 52 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -3847,6 +4685,121 @@
    call $~lib/builtins/abort
    unreachable
   end
+  i32.const 696
+  i32.const 624
+  call $~lib/buffer/Buffer.from<~lib/string/String>
+  local.set $5
+  local.get $0
+  call $~lib/rt/pure/__release
+  local.get $5
+  local.set $0
+  i32.const 808
+  i32.const 5
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  local.get $0
+  i32.const 4
+  call $~lib/typedarray/Uint8Array#__get
+  f64.convert_i32_u
+  call $~lib/builtins/trace
+  local.get $0
+  i32.const 0
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 97
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 31
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 1
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 98
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 32
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 2
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 99
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 33
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 3
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 100
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 34
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 4
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 101
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 35
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
+  local.get $0
+  i32.const 5
+  call $~lib/typedarray/Uint8Array#__get
+  i32.const 102
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 432
+   i32.const 36
+   i32.const 2
+   call $~lib/builtins/abort
+   unreachable
+  end
   local.get $0
   call $~lib/rt/pure/__release
   local.get $2
@@ -3858,16 +4811,16 @@
   local.get $3
   call $~lib/rt/pure/__release
  )
- (func $start (; 42 ;) (type $FUNCSIG$v)
+ (func $start (; 53 ;) (type $FUNCSIG$v)
   call $start:std/buffer
  )
- (func $~lib/array/Array<i32>#__visit_impl (; 43 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/Array<i32>#__visit_impl (; 54 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   nop
  )
- (func $~lib/array/Array<f64>#__visit_impl (; 44 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/Array<f64>#__visit_impl (; 55 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   nop
  )
- (func $~lib/rt/pure/markGray (; 45 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/markGray (; 56 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -3894,7 +4847,7 @@
    call $~lib/rt/__visit_members
   end
  )
- (func $~lib/rt/pure/scanBlack (; 46 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scanBlack (; 57 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   local.get $0
   i32.load offset=4
@@ -3911,7 +4864,7 @@
   i32.const 4
   call $~lib/rt/__visit_members
  )
- (func $~lib/rt/pure/scan (; 47 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scan (; 58 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -3948,7 +4901,7 @@
    end
   end
  )
- (func $~lib/rt/pure/collectWhite (; 48 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/collectWhite (; 59 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -3986,7 +4939,7 @@
    call $~lib/rt/tlsf/freeBlock
   end
  )
- (func $~lib/rt/pure/__visit (; 49 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/pure/__visit (; 60 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -4116,7 +5069,7 @@
    end
   end
  )
- (func $~lib/rt/__visit_members (; 50 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/__visit_members (; 61 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   block $block$4$break
    block $switch$1$default
@@ -4156,6 +5109,6 @@
   end
   return
  )
- (func $null (; 51 ;) (type $FUNCSIG$v)
+ (func $null (; 62 ;) (type $FUNCSIG$v)
  )
 )

From 0911e04dbfca7d5bb1315d93ba5ad391e09764ff Mon Sep 17 00:00:00 2001
From: Joshua Tenner <tenner.joshua@gmail.com>
Date: Fri, 5 Jul 2019 16:55:02 -0400
Subject: [PATCH 3/3] [Fix] ArrayBuffer byref implementation

---
 std/assembly/buffer.ts                  |   9 +-
 tests/compiler/std/buffer.optimized.wat | 176 ++++++++++--------------
 tests/compiler/std/buffer.ts            |   1 -
 tests/compiler/std/buffer.untouched.wat | 164 ++++++++++------------
 4 files changed, 148 insertions(+), 202 deletions(-)

diff --git a/std/assembly/buffer.ts b/std/assembly/buffer.ts
index 7c37c584e5..df2028ed3c 100644
--- a/std/assembly/buffer.ts
+++ b/std/assembly/buffer.ts
@@ -20,9 +20,10 @@ export class Buffer extends Uint8Array {
 
   public static from<T>(source: T, encoding: string = "utf8"): Buffer {
     if (source instanceof ArrayBuffer) {
-      let length = source.byteLength;
-      let buffer = new Buffer(length);
-      memory.copy(changetype<usize>(buffer.buffer), changetype<usize>(source), length);
+      let buffer = changetype<Buffer>(__alloc(offsetof<Buffer>(), idof<Buffer>()));
+      store<usize>(changetype<usize>(buffer), __retain(changetype<usize>(source)), offsetof<Buffer>("data"));
+      store<usize>(changetype<usize>(buffer), changetype<usize>(source), offsetof<Buffer>("dataStart"));
+      store<u32>(changetype<usize>(buffer), source.byteLength, offsetof<Buffer>("dataLength"));
       return buffer;
     } else if (source instanceof string) {
       if (encoding == null) encoding = "utf8";
@@ -51,7 +52,7 @@ export class Buffer extends Uint8Array {
       }
       return buffer;
     } else {
-      assert(false, "hit");
+      assert(false);
       return null;
     }
   }
diff --git a/tests/compiler/std/buffer.optimized.wat b/tests/compiler/std/buffer.optimized.wat
index 773c9e9c86..5891f7c384 100644
--- a/tests/compiler/std/buffer.optimized.wat
+++ b/tests/compiler/std/buffer.optimized.wat
@@ -8,14 +8,12 @@
  (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
  (type $FUNCSIG$dii (func (param i32 i32) (result f64)))
- (type $FUNCSIG$viiddddd (func (param i32 i32 f64 f64 f64 f64 f64)))
  (type $FUNCSIG$i (func (result i32)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (import "rtrace" "onalloc" (func $~lib/rt/rtrace/onalloc (param i32)))
  (import "rtrace" "onincrement" (func $~lib/rt/rtrace/onincrement (param i32)))
  (import "rtrace" "ondecrement" (func $~lib/rt/rtrace/ondecrement (param i32)))
  (import "rtrace" "onfree" (func $~lib/rt/rtrace/onfree (param i32)))
- (import "env" "trace" (func $~lib/builtins/trace (param i32 i32 f64 f64 f64 f64 f64)))
  (memory $0 1)
  (data (i32.const 8) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h")
  (data (i32.const 56) "&\00\00\00\01\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s")
@@ -34,15 +32,14 @@
  (data (i32.const 680) "\0c\00\00\00\01\00\00\00\01\00\00\00\0c\00\00\00a\00b\00c\00d\00e\00f")
  (data (i32.const 712) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00u\00t\00f\001\006")
  (data (i32.const 744) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s")
- (data (i32.const 792) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00b\00y\00t\00e\00s")
- (data (i32.const 824) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02")
+ (data (i32.const 792) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02")
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
  (global $~lib/rt/pure/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/pure/END (mut i32) (i32.const 0))
  (global $~lib/rt/pure/ROOTS (mut i32) (i32.const 0))
  (export "memory" (memory $0))
  (start $start)
- (func $~lib/rt/tlsf/removeBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -208,7 +205,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/insertBlock (; 7 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/insertBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -493,7 +490,7 @@
   i32.or
   i32.store offset=4
  )
- (func $~lib/rt/tlsf/addMemory (; 8 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/rt/tlsf/addMemory (; 7 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   local.get $2
@@ -607,7 +604,7 @@
   local.get $1
   call $~lib/rt/tlsf/insertBlock
  )
- (func $~lib/rt/tlsf/initializeRoot (; 9 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/tlsf/initializeRoot (; 8 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   i32.const 1
@@ -627,10 +624,10 @@
   if
    unreachable
   end
-  i32.const 896
+  i32.const 864
   i32.const 0
   i32.store
-  i32.const 2464
+  i32.const 2432
   i32.const 0
   i32.store
   i32.const 0
@@ -644,7 +641,7 @@
     local.get $0
     i32.const 2
     i32.shl
-    i32.const 896
+    i32.const 864
     i32.add
     i32.const 0
     i32.store offset=4
@@ -663,7 +660,7 @@
       i32.add
       i32.const 2
       i32.shl
-      i32.const 896
+      i32.const 864
       i32.add
       i32.const 0
       i32.store offset=96
@@ -681,16 +678,16 @@
     br $loop|0
    end
   end
-  i32.const 896
-  i32.const 2480
+  i32.const 864
+  i32.const 2448
   memory.size
   i32.const 16
   i32.shl
   call $~lib/rt/tlsf/addMemory
-  i32.const 896
+  i32.const 864
   global.set $~lib/rt/tlsf/ROOT
  )
- (func $~lib/rt/tlsf/prepareSize (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/tlsf/prepareSize (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.const 1073741808
   i32.ge_u
@@ -714,7 +711,7 @@
   i32.gt_u
   select
  )
- (func $~lib/rt/tlsf/searchBlock (; 11 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/searchBlock (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   local.get $1
   i32.const 256
@@ -845,7 +842,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/growMemory (; 12 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/growMemory (; 11 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   memory.size
   local.tee $2
@@ -882,7 +879,7 @@
   i32.shl
   call $~lib/rt/tlsf/addMemory
  )
- (func $~lib/rt/tlsf/prepareBlock (; 13 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/rt/tlsf/prepareBlock (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   local.get $1
@@ -958,7 +955,7 @@
    i32.store
   end
  )
- (func $~lib/rt/tlsf/allocateBlock (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/allocateBlock (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -1017,7 +1014,7 @@
   call $~lib/rt/rtrace/onalloc
   local.get $2
  )
- (func $~lib/rt/tlsf/__alloc (; 15 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/__alloc (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   global.get $~lib/rt/tlsf/ROOT
   local.tee $2
@@ -1036,7 +1033,7 @@
   i32.const 16
   i32.add
  )
- (func $~lib/memory/memory.fill (; 16 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/memory/memory.fill (; 15 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   block $~lib/util/memory/memset|inlined.0
    local.get $1
@@ -1245,7 +1242,7 @@
    end
   end
  )
- (func $~lib/rt/pure/increment (; 17 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/increment (; 16 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -1286,9 +1283,9 @@
    unreachable
   end
  )
- (func $~lib/rt/pure/__retain (; 18 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  i32.const 884
+  i32.const 852
   i32.gt_u
   if
    local.get $0
@@ -1298,7 +1295,7 @@
   end
   local.get $0
  )
- (func $~lib/rt/tlsf/freeBlock (; 19 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/freeBlock (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   local.get $1
   i32.load
@@ -1324,9 +1321,9 @@
   local.get $1
   call $~lib/rt/rtrace/onfree
  )
- (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/__typeinfo (; 19 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  i32.const 824
+  i32.const 792
   i32.load
   i32.gt_u
   if
@@ -1340,11 +1337,11 @@
   local.get $0
   i32.const 3
   i32.shl
-  i32.const 828
+  i32.const 796
   i32.add
   i32.load
  )
- (func $~lib/memory/memory.copy (; 21 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.copy (; 20 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   block $~lib/util/memory/memmove|inlined.0
@@ -1519,7 +1516,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/__free (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/tlsf/__free (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
   global.get $~lib/rt/tlsf/ROOT
   i32.eqz
   if
@@ -1552,7 +1549,7 @@
   i32.sub
   call $~lib/rt/tlsf/freeBlock
  )
- (func $~lib/rt/pure/growRoots (; 23 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/pure/growRoots (; 22 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -1601,7 +1598,7 @@
   i32.add
   global.set $~lib/rt/pure/END
  )
- (func $~lib/rt/pure/appendRoot (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/appendRoot (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   global.get $~lib/rt/pure/CUR
   local.tee $1
@@ -1620,7 +1617,7 @@
   i32.add
   global.set $~lib/rt/pure/CUR
  )
- (func $~lib/rt/pure/decrement (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/decrement (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -1710,9 +1707,9 @@
    end
   end
  )
- (func $~lib/rt/pure/__release (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/__release (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  i32.const 884
+  i32.const 852
   i32.gt_u
   if
    local.get $0
@@ -1721,7 +1718,7 @@
    call $~lib/rt/pure/decrement
   end
  )
- (func $~lib/arraybuffer/ArrayBufferView#constructor (; 27 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/arraybuffer/ArrayBufferView#constructor (; 26 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $1
@@ -1782,7 +1779,7 @@
   i32.store offset=8
   local.get $0
  )
- (func $~lib/buffer/Buffer#constructor (; 28 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/buffer/Buffer#constructor (; 27 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   i32.const 16
   i32.const 4
@@ -1804,7 +1801,7 @@
   i32.store offset=12
   local.get $0
  )
- (func $~lib/typedarray/Uint8Array#__set (; 29 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/typedarray/Uint8Array#__set (; 28 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1824,7 +1821,7 @@
   local.get $2
   i32.store8
  )
- (func $~lib/typedarray/Uint8Array#__get (; 30 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/typedarray/Uint8Array#__get (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1843,7 +1840,7 @@
   i32.add
   i32.load8_u
  )
- (func $~lib/rt/__allocArray (; 31 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+ (func $~lib/rt/__allocArray (; 30 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
   (local $4 i32)
   i32.const 16
   local.get $2
@@ -1876,7 +1873,7 @@
   end
   local.get $2
  )
- (func $~lib/array/Array<i32>#__get (; 32 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/array/Array<i32>#__get (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1899,7 +1896,7 @@
   i32.add
   i32.load
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 33 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 32 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -1916,7 +1913,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 46
+   i32.const 47
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -1954,7 +1951,7 @@
   call $~lib/rt/pure/__release
   local.get $1
  )
- (func $~lib/array/Array<f64>#__get (; 34 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+ (func $~lib/array/Array<f64>#__get (; 33 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -1977,7 +1974,7 @@
   i32.add
   f64.load
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 35 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 34 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -1994,7 +1991,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 46
+   i32.const 47
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -2033,7 +2030,7 @@
   call $~lib/rt/pure/__release
   local.get $1
  )
- (func $~lib/string/String#get:length (; 36 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String#get:length (; 35 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.const 16
   i32.sub
@@ -2041,7 +2038,7 @@
   i32.const 1
   i32.shr_u
  )
- (func $~lib/util/string/compareImpl (; 37 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/util/string/compareImpl (; 36 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -2090,7 +2087,7 @@
   call $~lib/rt/pure/__release
   local.get $4
  )
- (func $~lib/string/String.__eq (; 38 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String.__eq (; 37 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   i32.const 624
   call $~lib/rt/pure/__retain
@@ -2136,7 +2133,7 @@
   call $~lib/rt/pure/__release
   i32.const 0
  )
- (func $~lib/string/String.UTF8.byteLength (; 39 ;) (type $FUNCSIG$i) (result i32)
+ (func $~lib/string/String.UTF8.byteLength (; 38 ;) (type $FUNCSIG$i) (result i32)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -2222,7 +2219,7 @@
   call $~lib/rt/pure/__release
   local.get $1
  )
- (func $~lib/string/String.UTF8.encode (; 40 ;) (type $FUNCSIG$i) (result i32)
+ (func $~lib/string/String.UTF8.encode (; 39 ;) (type $FUNCSIG$i) (result i32)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -2411,7 +2408,7 @@
   i32.const 696
   call $~lib/rt/pure/__release
  )
- (func $~lib/string/String.UTF16.encode (; 41 ;) (type $FUNCSIG$i) (result i32)
+ (func $~lib/string/String.UTF16.encode (; 40 ;) (type $FUNCSIG$i) (result i32)
   (local $0 i32)
   (local $1 i32)
   i32.const 696
@@ -2431,7 +2428,7 @@
   i32.const 696
   call $~lib/rt/pure/__release
  )
- (func $~lib/buffer/Buffer.from<~lib/string/String> (; 42 ;) (type $FUNCSIG$i) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/string/String> (; 41 ;) (type $FUNCSIG$i) (result i32)
   (local $0 i32)
   (local $1 i32)
   i32.const 696
@@ -2488,12 +2485,12 @@
   end
   i32.const 0
   i32.const 528
-  i32.const 41
+  i32.const 42
   i32.const 6
   call $~lib/builtins/abort
   unreachable
  )
- (func $start:std/buffer (; 43 ;) (type $FUNCSIG$v)
+ (func $start:std/buffer (; 42 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -2665,10 +2662,9 @@
   call $~lib/rt/pure/__retain
   local.tee $5
   call $~lib/buffer/Buffer.from<~lib/array/Array<f64>>
-  local.set $1
   local.get $0
   call $~lib/rt/pure/__release
-  local.get $1
+  local.tee $0
   i32.const 0
   call $~lib/typedarray/Uint8Array#__get
   i32.const 1
@@ -2681,7 +2677,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  local.get $1
+  local.get $0
   i32.const 1
   call $~lib/typedarray/Uint8Array#__get
   i32.const 2
@@ -2694,7 +2690,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  local.get $1
+  local.get $0
   i32.const 2
   call $~lib/typedarray/Uint8Array#__get
   i32.const 3
@@ -2707,7 +2703,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  local.get $1
+  local.get $0
   i32.const 3
   call $~lib/typedarray/Uint8Array#__get
   i32.const 4
@@ -2721,33 +2717,9 @@
    unreachable
   end
   call $~lib/buffer/Buffer.from<~lib/string/String>
-  local.set $0
-  local.get $1
-  call $~lib/rt/pure/__release
-  i32.const 808
-  i32.const 5
-  local.get $0
-  i32.const 0
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 1
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 2
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 3
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 4
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  call $~lib/builtins/trace
   local.get $0
+  call $~lib/rt/pure/__release
+  local.tee $0
   i32.const 0
   call $~lib/typedarray/Uint8Array#__get
   i32.const 97
@@ -2755,7 +2727,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 31
+   i32.const 30
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -2768,7 +2740,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 32
+   i32.const 31
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -2781,7 +2753,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 33
+   i32.const 32
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -2794,7 +2766,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 34
+   i32.const 33
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -2807,7 +2779,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 35
+   i32.const 34
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -2820,7 +2792,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 36
+   i32.const 35
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -2836,10 +2808,10 @@
   local.get $5
   call $~lib/rt/pure/__release
  )
- (func $start (; 44 ;) (type $FUNCSIG$v)
+ (func $start (; 43 ;) (type $FUNCSIG$v)
   call $start:std/buffer
  )
- (func $~lib/rt/pure/markGray (; 45 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/markGray (; 44 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -2863,7 +2835,7 @@
    call $~lib/rt/__visit_members
   end
  )
- (func $~lib/rt/pure/scanBlack (; 46 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scanBlack (; 45 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   local.get $0
   i32.load offset=4
@@ -2876,7 +2848,7 @@
   i32.const 4
   call $~lib/rt/__visit_members
  )
- (func $~lib/rt/pure/scan (; 47 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scan (; 46 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -2910,7 +2882,7 @@
    end
   end
  )
- (func $~lib/rt/pure/collectWhite (; 48 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/collectWhite (; 47 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -2943,9 +2915,9 @@
    call $~lib/rt/tlsf/freeBlock
   end
  )
- (func $~lib/rt/pure/__visit (; 49 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/pure/__visit (; 48 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   local.get $0
-  i32.const 884
+  i32.const 852
   i32.lt_u
   if
    return
@@ -3053,7 +3025,7 @@
    unreachable
   end
  )
- (func $~lib/rt/__visit_members (; 50 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/__visit_members (; 49 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   block $block$4$break
    block $switch$1$default
     block $switch$1$case$2
@@ -3076,7 +3048,7 @@
    call $~lib/rt/pure/__visit
   end
  )
- (func $null (; 51 ;) (type $FUNCSIG$v)
+ (func $null (; 50 ;) (type $FUNCSIG$v)
   nop
  )
 )
diff --git a/tests/compiler/std/buffer.ts b/tests/compiler/std/buffer.ts
index ad73c4b1bd..23ab9f566b 100644
--- a/tests/compiler/std/buffer.ts
+++ b/tests/compiler/std/buffer.ts
@@ -27,7 +27,6 @@
   assert(buffer[3] == <u8>4.4);
 
   buffer = Buffer.from<string>("abcdef");
-  trace("bytes", 5, buffer[0], buffer[1], buffer[2], buffer[3], buffer[4]);
   assert(buffer[0] == <u8>0x61);
   assert(buffer[1] == <u8>0x62);
   assert(buffer[2] == <u8>0x63);
diff --git a/tests/compiler/std/buffer.untouched.wat b/tests/compiler/std/buffer.untouched.wat
index 0b061704ff..87fa9893a7 100644
--- a/tests/compiler/std/buffer.untouched.wat
+++ b/tests/compiler/std/buffer.untouched.wat
@@ -10,13 +10,11 @@
  (type $FUNCSIG$iiiii (func (param i32 i32 i32 i32) (result i32)))
  (type $FUNCSIG$dii (func (param i32 i32) (result f64)))
  (type $FUNCSIG$iiiiii (func (param i32 i32 i32 i32 i32) (result i32)))
- (type $FUNCSIG$viiddddd (func (param i32 i32 f64 f64 f64 f64 f64)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (import "rtrace" "onalloc" (func $~lib/rt/rtrace/onalloc (param i32)))
  (import "rtrace" "onincrement" (func $~lib/rt/rtrace/onincrement (param i32)))
  (import "rtrace" "ondecrement" (func $~lib/rt/rtrace/ondecrement (param i32)))
  (import "rtrace" "onfree" (func $~lib/rt/rtrace/onfree (param i32)))
- (import "env" "trace" (func $~lib/builtins/trace (param i32 i32 f64 f64 f64 f64 f64)))
  (memory $0 1)
  (data (i32.const 8) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h\00")
  (data (i32.const 56) "&\00\00\00\01\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s\00")
@@ -35,8 +33,7 @@
  (data (i32.const 680) "\0c\00\00\00\01\00\00\00\01\00\00\00\0c\00\00\00a\00b\00c\00d\00e\00f\00")
  (data (i32.const 712) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00u\00t\00f\001\006\00")
  (data (i32.const 744) "\1c\00\00\00\01\00\00\00\01\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00s\00t\00r\00i\00n\00g\00.\00t\00s\00")
- (data (i32.const 792) "\n\00\00\00\01\00\00\00\01\00\00\00\n\00\00\00b\00y\00t\00e\00s\00")
- (data (i32.const 824) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02\00\00\00")
+ (data (i32.const 792) "\07\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\00\10\00\00\00\00\00\00\001\00\00\00\02\00\00\001\00\00\00\03\00\00\00\93\04\00\00\02\00\00\00\13\0d\00\00\02\00\00\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
@@ -47,11 +44,11 @@
  (global $~lib/buffer/Buffer.NO_ENCODING (mut i32) (i32.const 0))
  (global $~lib/buffer/Buffer.UTF8_ENCODING (mut i32) (i32.const 1))
  (global $~lib/buffer/Buffer.UTF16_ENCODING (mut i32) (i32.const 2))
- (global $~lib/rt/__rtti_base i32 (i32.const 824))
- (global $~lib/heap/__heap_base i32 (i32.const 884))
+ (global $~lib/rt/__rtti_base i32 (i32.const 792))
+ (global $~lib/heap/__heap_base i32 (i32.const 852))
  (export "memory" (memory $0))
  (start $start)
- (func $~lib/rt/tlsf/removeBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/removeBlock (; 5 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -261,7 +258,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/insertBlock (; 7 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/insertBlock (; 6 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -611,7 +608,7 @@
   local.get $7
   i32.store offset=4
  )
- (func $~lib/rt/tlsf/addMemory (; 8 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/rt/tlsf/addMemory (; 7 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -759,7 +756,7 @@
   call $~lib/rt/tlsf/insertBlock
   i32.const 1
  )
- (func $~lib/rt/tlsf/initializeRoot (; 9 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/tlsf/initializeRoot (; 8 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -904,7 +901,7 @@
   local.get $3
   global.set $~lib/rt/tlsf/ROOT
  )
- (func $~lib/rt/tlsf/prepareSize (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/tlsf/prepareSize (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -933,7 +930,7 @@
   i32.gt_u
   select
  )
- (func $~lib/rt/tlsf/searchBlock (; 11 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/searchBlock (; 10 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -1116,7 +1113,7 @@
   end
   local.get $7
  )
- (func $~lib/rt/tlsf/growMemory (; 12 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/growMemory (; 11 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -1169,7 +1166,7 @@
   call $~lib/rt/tlsf/addMemory
   drop
  )
- (func $~lib/rt/tlsf/prepareBlock (; 13 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/rt/tlsf/prepareBlock (; 12 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -1264,7 +1261,7 @@
    i32.store
   end
  )
- (func $~lib/rt/tlsf/allocateBlock (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/allocateBlock (; 13 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $1
@@ -1327,7 +1324,7 @@
   call $~lib/rt/rtrace/onalloc
   local.get $3
  )
- (func $~lib/rt/tlsf/__alloc (; 15 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/__alloc (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   global.get $~lib/rt/tlsf/ROOT
@@ -1350,7 +1347,7 @@
   i32.const 16
   i32.add
  )
- (func $~lib/memory/memory.fill (; 16 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.fill (; 15 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -1614,7 +1611,7 @@
    end
   end
  )
- (func $~lib/rt/pure/increment (; 17 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/increment (; 16 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -1659,7 +1656,7 @@
    unreachable
   end
  )
- (func $~lib/rt/pure/__retain (; 18 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/pure/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   global.get $~lib/heap/__heap_base
   i32.gt_u
@@ -1671,7 +1668,7 @@
   end
   local.get $0
  )
- (func $~lib/rt/tlsf/freeBlock (; 19 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/tlsf/freeBlock (; 18 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   local.get $1
   i32.load
@@ -1700,7 +1697,7 @@
   local.get $1
   call $~lib/rt/rtrace/onfree
  )
- (func $~lib/rt/__typeinfo (; 20 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/__typeinfo (; 19 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   global.get $~lib/rt/__rtti_base
   local.set $1
@@ -1725,7 +1722,7 @@
   i32.add
   i32.load
  )
- (func $~lib/util/memory/memcpy (; 21 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/util/memory/memcpy (; 20 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -2753,7 +2750,7 @@
    i32.store8
   end
  )
- (func $~lib/memory/memory.copy (; 22 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.copy (; 21 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -2978,7 +2975,7 @@
    end
   end
  )
- (func $~lib/rt/tlsf/__free (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/tlsf/__free (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
   global.get $~lib/rt/tlsf/ROOT
   i32.eqz
   if
@@ -3015,7 +3012,7 @@
   i32.sub
   call $~lib/rt/tlsf/freeBlock
  )
- (func $~lib/rt/pure/growRoots (; 24 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/pure/growRoots (; 23 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -3073,7 +3070,7 @@
   i32.add
   global.set $~lib/rt/pure/END
  )
- (func $~lib/rt/pure/appendRoot (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/appendRoot (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   global.get $~lib/rt/pure/CUR
   local.set $1
@@ -3093,7 +3090,7 @@
   i32.add
   global.set $~lib/rt/pure/CUR
  )
- (func $~lib/rt/pure/decrement (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/decrement (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   (local $2 i32)
   local.get $0
@@ -3197,7 +3194,7 @@
    end
   end
  )
- (func $~lib/rt/pure/__release (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/__release (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   global.get $~lib/heap/__heap_base
   i32.gt_u
@@ -3208,7 +3205,7 @@
    call $~lib/rt/pure/decrement
   end
  )
- (func $~lib/arraybuffer/ArrayBufferView#constructor (; 28 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/arraybuffer/ArrayBufferView#constructor (; 27 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -3279,7 +3276,7 @@
   i32.store offset=8
   local.get $0
  )
- (func $~lib/typedarray/Uint8Array#constructor (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/typedarray/Uint8Array#constructor (; 28 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   if (result i32)
    local.get $0
@@ -3295,7 +3292,7 @@
   local.set $0
   local.get $0
  )
- (func $~lib/buffer/Buffer#constructor (; 30 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/buffer/Buffer#constructor (; 29 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   if (result i32)
    local.get $0
@@ -3313,7 +3310,7 @@
   i32.store offset=12
   local.get $0
  )
- (func $~lib/typedarray/Uint8Array#__set (; 31 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/typedarray/Uint8Array#__set (; 30 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3333,7 +3330,7 @@
   local.get $2
   i32.store8
  )
- (func $~lib/typedarray/Uint8Array#__get (; 32 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/typedarray/Uint8Array#__get (; 31 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3352,7 +3349,7 @@
   i32.add
   i32.load8_u
  )
- (func $~lib/rt/__allocArray (; 33 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
+ (func $~lib/rt/__allocArray (; 32 ;) (type $FUNCSIG$iiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
   (local $4 i32)
   (local $5 i32)
   (local $6 i32)
@@ -3390,11 +3387,11 @@
   end
   local.get $4
  )
- (func $~lib/array/Array<i32>#get:length (; 34 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/array/Array<i32>#get:length (; 33 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.load offset=12
  )
- (func $~lib/array/Array<i32>#__unchecked_get (; 35 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/array/Array<i32>#__unchecked_get (; 34 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   i32.load offset=4
   local.get $1
@@ -3403,7 +3400,7 @@
   i32.add
   i32.load
  )
- (func $~lib/array/Array<i32>#__get (; 36 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/array/Array<i32>#__get (; 35 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3422,7 +3419,7 @@
   local.get $1
   call $~lib/array/Array<i32>#__unchecked_get
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 37 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<i32>> (; 36 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3449,7 +3446,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 46
+   i32.const 47
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -3495,11 +3492,11 @@
   local.get $6
   return
  )
- (func $~lib/array/Array<f64>#get:length (; 38 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/array/Array<f64>#get:length (; 37 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.load offset=12
  )
- (func $~lib/array/Array<f64>#__unchecked_get (; 39 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+ (func $~lib/array/Array<f64>#__unchecked_get (; 38 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
   local.get $0
   i32.load offset=4
   local.get $1
@@ -3508,7 +3505,7 @@
   i32.add
   f64.load
  )
- (func $~lib/array/Array<f64>#__get (; 40 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
+ (func $~lib/array/Array<f64>#__get (; 39 ;) (type $FUNCSIG$dii) (param $0 i32) (param $1 i32) (result f64)
   local.get $1
   local.get $0
   i32.load offset=8
@@ -3527,7 +3524,7 @@
   local.get $1
   call $~lib/array/Array<f64>#__unchecked_get
  )
- (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 41 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/array/Array<f64>> (; 40 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3554,7 +3551,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 46
+   i32.const 47
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -3601,7 +3598,7 @@
   local.get $6
   return
  )
- (func $~lib/string/String#get:length (; 42 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String#get:length (; 41 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.const 16
   i32.sub
@@ -3609,7 +3606,7 @@
   i32.const 1
   i32.shr_u
  )
- (func $~lib/util/string/compareImpl (; 43 ;) (type $FUNCSIG$iiiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (param $4 i32) (result i32)
+ (func $~lib/util/string/compareImpl (; 42 ;) (type $FUNCSIG$iiiiii) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (param $4 i32) (result i32)
   (local $5 i32)
   (local $6 i32)
   (local $7 i32)
@@ -3674,7 +3671,7 @@
   call $~lib/rt/pure/__release
   local.get $8
  )
- (func $~lib/string/String.__eq (; 44 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.__eq (; 43 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -3747,7 +3744,7 @@
   call $~lib/rt/pure/__release
   local.get $2
  )
- (func $~lib/string/String.UTF8.byteLength (; 45 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.UTF8.byteLength (; 44 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -3870,7 +3867,7 @@
   call $~lib/rt/pure/__release
   local.get $5
  )
- (func $~lib/rt/tlsf/reallocateBlock (; 46 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
+ (func $~lib/rt/tlsf/reallocateBlock (; 45 ;) (type $FUNCSIG$iiii) (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
@@ -4008,7 +4005,7 @@
   call $~lib/rt/rtrace/onfree
   local.get $8
  )
- (func $~lib/rt/tlsf/__realloc (; 47 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/tlsf/__realloc (; 46 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   global.get $~lib/rt/tlsf/ROOT
   i32.eqz
   if
@@ -4048,7 +4045,7 @@
   i32.const 16
   i32.add
  )
- (func $~lib/string/String.UTF8.encode (; 48 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/string/String.UTF8.encode (; 47 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -4300,7 +4297,7 @@
   call $~lib/rt/pure/__release
   local.get $6
  )
- (func $~lib/string/String.UTF16.encode (; 49 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/string/String.UTF16.encode (; 48 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   (local $2 i32)
   (local $3 i32)
@@ -4327,13 +4324,13 @@
   call $~lib/rt/pure/__release
   local.get $3
  )
- (func $~lib/arraybuffer/ArrayBuffer#get:byteLength (; 50 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/arraybuffer/ArrayBuffer#get:byteLength (; 49 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
   i32.const 16
   i32.sub
   i32.load offset=12
  )
- (func $~lib/buffer/Buffer.from<~lib/string/String> (; 51 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/buffer/Buffer.from<~lib/string/String> (; 50 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -4417,7 +4414,7 @@
   if
    i32.const 0
    i32.const 528
-   i32.const 41
+   i32.const 42
    i32.const 6
    call $~lib/builtins/abort
    unreachable
@@ -4432,7 +4429,7 @@
   local.get $3
   return
  )
- (func $start:std/buffer (; 52 ;) (type $FUNCSIG$v)
+ (func $start:std/buffer (; 51 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
   (local $2 i32)
@@ -4693,29 +4690,6 @@
   call $~lib/rt/pure/__release
   local.get $5
   local.set $0
-  i32.const 808
-  i32.const 5
-  local.get $0
-  i32.const 0
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 1
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 2
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 3
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  local.get $0
-  i32.const 4
-  call $~lib/typedarray/Uint8Array#__get
-  f64.convert_i32_u
-  call $~lib/builtins/trace
   local.get $0
   i32.const 0
   call $~lib/typedarray/Uint8Array#__get
@@ -4725,7 +4699,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 31
+   i32.const 30
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -4739,7 +4713,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 32
+   i32.const 31
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -4753,7 +4727,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 33
+   i32.const 32
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -4767,7 +4741,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 34
+   i32.const 33
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -4781,7 +4755,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 35
+   i32.const 34
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -4795,7 +4769,7 @@
   if
    i32.const 0
    i32.const 432
-   i32.const 36
+   i32.const 35
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -4811,16 +4785,16 @@
   local.get $3
   call $~lib/rt/pure/__release
  )
- (func $start (; 53 ;) (type $FUNCSIG$v)
+ (func $start (; 52 ;) (type $FUNCSIG$v)
   call $start:std/buffer
  )
- (func $~lib/array/Array<i32>#__visit_impl (; 54 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/Array<i32>#__visit_impl (; 53 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   nop
  )
- (func $~lib/array/Array<f64>#__visit_impl (; 55 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/array/Array<f64>#__visit_impl (; 54 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   nop
  )
- (func $~lib/rt/pure/markGray (; 56 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/markGray (; 55 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -4847,7 +4821,7 @@
    call $~lib/rt/__visit_members
   end
  )
- (func $~lib/rt/pure/scanBlack (; 57 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scanBlack (; 56 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
   local.get $0
   i32.load offset=4
@@ -4864,7 +4838,7 @@
   i32.const 4
   call $~lib/rt/__visit_members
  )
- (func $~lib/rt/pure/scan (; 58 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/scan (; 57 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -4901,7 +4875,7 @@
    end
   end
  )
- (func $~lib/rt/pure/collectWhite (; 59 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/pure/collectWhite (; 58 ;) (type $FUNCSIG$vi) (param $0 i32)
   (local $1 i32)
   local.get $0
   i32.load offset=4
@@ -4939,7 +4913,7 @@
    call $~lib/rt/tlsf/freeBlock
   end
  )
- (func $~lib/rt/pure/__visit (; 60 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/pure/__visit (; 59 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -5069,7 +5043,7 @@
    end
   end
  )
- (func $~lib/rt/__visit_members (; 61 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
+ (func $~lib/rt/__visit_members (; 60 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
   block $block$4$break
    block $switch$1$default
@@ -5109,6 +5083,6 @@
   end
   return
  )
- (func $null (; 62 ;) (type $FUNCSIG$v)
+ (func $null (; 61 ;) (type $FUNCSIG$v)
  )
 )