diff --git a/src/bindings/js.ts b/src/bindings/js.ts
index 1dae4fde8b..d13a5faf0b 100644
--- a/src/bindings/js.ts
+++ b/src/bindings/js.ts
@@ -799,11 +799,13 @@ export class JSBuilder extends ExportsWalker {
   }
 `);
     }
+    if (this.needsLiftInternref || this.needsLowerInternref) {
+      sb.push("  class Internref extends Number {}\n");
+    }
     if (this.needsLiftInternref) {
       this.needsRetain = true;
       this.needsRelease = true;
       sb.push(`  const registry = new FinalizationRegistry(__release);
-  class Internref extends Number {}
   function __liftInternref(pointer) {
     if (!pointer) return null;
     const sentinel = new Internref(__retain(pointer));
@@ -1031,7 +1033,7 @@ export class JSBuilder extends ExportsWalker {
   makeLowerToValue(name: string, type: Type, sb: string[] = this.sb): void {
     if (type.isInternalReference) {
       // Lower reference types
-      const clazz = assert(type.getClass());
+      const clazz = assert(type.getClassOrWrapper(this.program));
       if (clazz.extends(this.program.arrayBufferInstance.prototype)) {
         sb.push("__lowerBuffer(");
         this.needsLowerBuffer = true;
diff --git a/tests/compiler/bindings/esm.debug.d.ts b/tests/compiler/bindings/esm.debug.d.ts
index d4b27a1ee2..d98ef3b22f 100644
--- a/tests/compiler/bindings/esm.debug.d.ts
+++ b/tests/compiler/bindings/esm.debug.d.ts
@@ -124,21 +124,32 @@ export declare function arrayFunction(a: Array<number>, b: Array<number>): Array
  * @param b `bindings/esm/PlainObject`
  * @returns `bindings/esm/PlainObject`
  */
-export declare function objectFunction(a: __Record10<undefined>, b: __Record10<undefined>): __Record10<never>;
+export declare function objectFunction(a: __Record11<undefined>, b: __Record11<undefined>): __Record11<never>;
 /**
  * bindings/esm/newInternref
  * @returns `bindings/esm/NonPlainObject`
  */
-export declare function newInternref(): __Internref13;
+export declare function newInternref(): __Internref14;
 /**
  * bindings/esm/internrefFunction
  * @param a `bindings/esm/NonPlainObject`
  * @param b `bindings/esm/NonPlainObject`
  * @returns `bindings/esm/NonPlainObject`
  */
-export declare function internrefFunction(a: __Internref13, b: __Internref13): __Internref13;
+export declare function internrefFunction(a: __Internref14, b: __Internref14): __Internref14;
+/**
+ * bindings/esm/functionFunction
+ * @param fn `() => void`
+ * @returns `() => void`
+ */
+export declare function functionFunction(fn: __Internref3): __Internref3;
+/** bindings/esm/fn */
+export declare const fn: {
+  /** @type `() => void` */
+  get value(): __Internref3
+};
 /** bindings/esm/PlainObject */
-declare interface __Record10<TOmittable> {
+declare interface __Record11<TOmittable> {
   /** @type `i8` */
   a: number | TOmittable;
   /** @type `i16` */
@@ -173,6 +184,10 @@ declare interface __Record10<TOmittable> {
   p: Array<string> | null | TOmittable;
 }
 /** bindings/esm/NonPlainObject */
-declare class __Internref13 extends Number {
-  private __nominal13: symbol;
+declare class __Internref14 extends Number {
+  private __nominal14: symbol;
+}
+/** ~lib/function/Function<%28%29=>void> */
+declare class __Internref3 extends Number {
+  private __nominal3: symbol;
 }
diff --git a/tests/compiler/bindings/esm.debug.js b/tests/compiler/bindings/esm.debug.js
index fdc6303178..0ce8f68c1f 100644
--- a/tests/compiler/bindings/esm.debug.js
+++ b/tests/compiler/bindings/esm.debug.js
@@ -127,8 +127,8 @@ async function instantiate(module, imports = {}) {
     },
     typedarrayFunction(a, b) {
       // bindings/esm/typedarrayFunction(~lib/typedarray/Int16Array, ~lib/typedarray/Float32Array) => ~lib/typedarray/Uint64Array
-      a = __retain(__lowerTypedArray(Int16Array, 3, 1, a) || __notnull());
-      b = __lowerTypedArray(Float32Array, 4, 2, b) || __notnull();
+      a = __retain(__lowerTypedArray(Int16Array, 4, 1, a) || __notnull());
+      b = __lowerTypedArray(Float32Array, 5, 2, b) || __notnull();
       try {
         return __liftTypedArray(BigUint64Array, exports.typedarrayFunction(a, b) >>> 0);
       } finally {
@@ -137,8 +137,8 @@ async function instantiate(module, imports = {}) {
     },
     staticarrayFunction(a, b) {
       // bindings/esm/staticarrayFunction(~lib/staticarray/StaticArray<i32>, ~lib/staticarray/StaticArray<i32>) => ~lib/staticarray/StaticArray<i32>
-      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, a, Int32Array) || __notnull());
-      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, b, Int32Array) || __notnull();
+      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, a, Int32Array) || __notnull());
+      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, b, Int32Array) || __notnull();
       try {
         return __liftStaticArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.staticarrayFunction(a, b) >>> 0);
       } finally {
@@ -147,18 +147,18 @@ async function instantiate(module, imports = {}) {
     },
     staticarrayU16(a) {
       // bindings/esm/staticarrayU16(~lib/staticarray/StaticArray<u16>) => ~lib/staticarray/StaticArray<u16>
-      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 7, 1, a, Uint16Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 8, 1, a, Uint16Array) || __notnull();
       return __liftStaticArray(pointer => new Uint16Array(memory.buffer)[pointer >>> 1], 1, exports.staticarrayU16(a) >>> 0);
     },
     staticarrayI64(a) {
       // bindings/esm/staticarrayI64(~lib/staticarray/StaticArray<i64>) => ~lib/staticarray/StaticArray<i64>
-      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 8, 3, a, BigInt64Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 9, 3, a, BigInt64Array) || __notnull();
       return __liftStaticArray(pointer => new BigInt64Array(memory.buffer)[pointer >>> 3], 3, exports.staticarrayI64(a) >>> 0);
     },
     arrayFunction(a, b) {
       // bindings/esm/arrayFunction(~lib/array/Array<i32>, ~lib/array/Array<i32>) => ~lib/array/Array<i32>
-      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, a) || __notnull());
-      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, b) || __notnull();
+      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, a) || __notnull());
+      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, b) || __notnull();
       try {
         return __liftArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.arrayFunction(a, b) >>> 0);
       } finally {
@@ -167,10 +167,10 @@ async function instantiate(module, imports = {}) {
     },
     objectFunction(a, b) {
       // bindings/esm/objectFunction(bindings/esm/PlainObject, bindings/esm/PlainObject) => bindings/esm/PlainObject
-      a = __retain(__lowerRecord10(a) || __notnull());
-      b = __lowerRecord10(b) || __notnull();
+      a = __retain(__lowerRecord11(a) || __notnull());
+      b = __lowerRecord11(b) || __notnull();
       try {
-        return __liftRecord10(exports.objectFunction(a, b) >>> 0);
+        return __liftRecord11(exports.objectFunction(a, b) >>> 0);
       } finally {
         __release(a);
       }
@@ -189,12 +189,24 @@ async function instantiate(module, imports = {}) {
         __release(a);
       }
     },
+    functionFunction(fn) {
+      // bindings/esm/functionFunction(() => void) => () => void
+      fn = __lowerInternref(fn) || __notnull();
+      return __liftInternref(exports.functionFunction(fn) >>> 0);
+    },
+    fn: {
+      // bindings/esm/fn: () => void
+      valueOf() { return this.value; },
+      get value() {
+        return __liftInternref(exports.fn.value >>> 0);
+      }
+    },
   }, exports);
-  function __lowerRecord10(value) {
+  function __lowerRecord11(value) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lowering as a record by providing an empty constructor
     if (value == null) return 0;
-    const pointer = exports.__pin(exports.__new(68, 10));
+    const pointer = exports.__pin(exports.__new(68, 11));
     new Int8Array(memory.buffer)[pointer + 0 >>> 0] = value.a;
     new Int16Array(memory.buffer)[pointer + 2 >>> 1] = value.b;
     new Int32Array(memory.buffer)[pointer + 4 >>> 2] = value.c;
@@ -209,12 +221,12 @@ async function instantiate(module, imports = {}) {
     new Float32Array(memory.buffer)[pointer + 44 >>> 2] = value.l;
     new Float64Array(memory.buffer)[pointer + 48 >>> 3] = value.m;
     new Uint32Array(memory.buffer)[pointer + 56 >>> 2] = __lowerString(value.n);
-    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 11, 0, value.o);
-    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 12, 2, value.p);
+    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 12, 0, value.o);
+    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 13, 2, value.p);
     exports.__unpin(pointer);
     return pointer;
   }
-  function __liftRecord10(pointer) {
+  function __liftRecord11(pointer) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lifting as a record by providing an empty constructor
     if (!pointer) return null;
@@ -337,8 +349,8 @@ async function instantiate(module, imports = {}) {
     exports.__unpin(buffer);
     return buffer;
   }
-  const registry = new FinalizationRegistry(__release);
   class Internref extends Number {}
+  const registry = new FinalizationRegistry(__release);
   function __liftInternref(pointer) {
     if (!pointer) return null;
     const sentinel = new Internref(__retain(pointer));
@@ -395,7 +407,9 @@ export const {
   arrayFunction,
   objectFunction,
   newInternref,
-  internrefFunction
+  internrefFunction,
+  functionFunction,
+  fn
 } = await (async url => instantiate(
   await (async () => {
     try { return await globalThis.WebAssembly.compileStreaming(globalThis.fetch(url)); }
diff --git a/tests/compiler/bindings/esm.debug.wat b/tests/compiler/bindings/esm.debug.wat
index 659e4f2005..6452a6ab74 100644
--- a/tests/compiler/bindings/esm.debug.wat
+++ b/tests/compiler/bindings/esm.debug.wat
@@ -3,8 +3,8 @@
  (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
  (type $i32_=>_i32 (func (param i32) (result i32)))
  (type $i32_=>_none (func (param i32)))
- (type $i32_i32_i32_=>_none (func (param i32 i32 i32)))
  (type $none_=>_none (func))
+ (type $i32_i32_i32_=>_none (func (param i32 i32 i32)))
  (type $none_=>_i32 (func (result i32)))
  (type $i32_i32_i32_i32_=>_none (func (param i32 i32 i32 i32)))
  (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
@@ -35,6 +35,7 @@
  (global $bindings/esm/ConstEnum.ONE i32 (i32.const 1))
  (global $bindings/esm/ConstEnum.TWO i32 (i32.const 2))
  (global $bindings/esm/ConstEnum.THREE i32 (i32.const 3))
+ (global $bindings/esm/fn i32 (i32.const 96))
  (global $~lib/builtins/u32.MAX_VALUE i32 (i32.const -1))
  (global $~lib/builtins/u64.MAX_VALUE i64 (i64.const -1))
  (global $~lib/shared/runtime/Runtime.Stub i32 (i32.const 0))
@@ -53,35 +54,36 @@
  (global $~lib/native/ASC_LOW_MEMORY_LIMIT i32 (i32.const 0))
  (global $~lib/native/ASC_RUNTIME i32 (i32.const 2))
  (global $~argumentsLength (mut i32) (i32.const 0))
- (global $~lib/rt/__rtti_base i32 (i32.const 1024))
- (global $~lib/memory/__data_end i32 (i32.const 1140))
- (global $~lib/memory/__stack_pointer (mut i32) (i32.const 17524))
- (global $~lib/memory/__heap_base i32 (i32.const 17524))
+ (global $~lib/rt/__rtti_base i32 (i32.const 1056))
+ (global $~lib/memory/__data_end i32 (i32.const 1180))
+ (global $~lib/memory/__stack_pointer (mut i32) (i32.const 17564))
+ (global $~lib/memory/__heap_base i32 (i32.const 17564))
  (global $~started (mut i32) (i32.const 0))
  (memory $0 1)
  (data (i32.const 12) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00a\00\00\00\00\00\00\00\00\00\00\00")
  (data (i32.const 44) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00b\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 76) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\n\00\00\00t\00r\00a\00c\00e\00\00\00")
- (data (i32.const 108) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g\00\00\00\00\00\00\00")
- (data (i32.const 172) ",\00\00\00\00\00\00\00\00\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 220) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00")
- (data (i32.const 284) "<\00\00\00\00\00\00\00\00\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\00\00\00\00")
- (data (i32.const 348) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 416) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 76) "\1c\00\00\00\00\00\00\00\00\00\00\00\03\00\00\00\08\00\00\00\01\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 108) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\n\00\00\00t\00r\00a\00c\00e\00\00\00")
+ (data (i32.const 140) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g\00\00\00\00\00\00\00")
+ (data (i32.const 204) ",\00\00\00\00\00\00\00\00\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 252) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00")
+ (data (i32.const 316) "<\00\00\00\00\00\00\00\00\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\00\00\00\00")
+ (data (i32.const 380) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s\00\00\00\00\00\00\00\00\00\00\00\00\00")
  (data (i32.const 448) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 476) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00\00\00")
- (data (i32.const 540) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s\00\00\00\00\00\00\00\00\00")
- (data (i32.const 592) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 620) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 684) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 716) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00\00\00")
- (data (i32.const 780) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00")
- (data (i32.const 844) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00")
- (data (i32.const 892) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d\00\00\00")
- (data (i32.const 956) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d\00\00\00\00\00")
- (data (i32.const 1024) "\0e\00\00\00 \00\00\00\00\00\00\00 \00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t\00\00\00\00\00\00\00\00\00\00\00\00\00\00A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 \00\00\00\00\00\00\00")
- (table $0 1 1 funcref)
- (elem $0 (i32.const 1))
+ (data (i32.const 480) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 508) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 572) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 624) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 652) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 716) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 748) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 812) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00")
+ (data (i32.const 876) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00")
+ (data (i32.const 924) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d\00\00\00")
+ (data (i32.const 988) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d\00\00\00\00\00")
+ (data (i32.const 1056) "\0f\00\00\00 \00\00\00\00\00\00\00 \00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t\00\00\00\00\00\00\00\00\00\00\00\00\00\00A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 \00\00\00\00\00\00\00")
+ (table $0 2 2 funcref)
+ (elem $0 (i32.const 1) $start:bindings/esm~anonymous|0)
  (export "plainGlobal" (global $bindings/esm/plainGlobal))
  (export "plainMutableGlobal" (global $bindings/esm/plainMutableGlobal))
  (export "stringGlobal" (global $bindings/esm/stringGlobal))
@@ -97,6 +99,7 @@
  (export "getMaxUnsigned32" (func $bindings/esm/getMaxUnsigned32))
  (export "getMaxUnsigned64" (func $bindings/esm/getMaxUnsigned64))
  (export "newInternref" (func $bindings/esm/newInternref))
+ (export "fn" (global $bindings/esm/fn))
  (export "__new" (func $~lib/rt/itcms/__new))
  (export "__pin" (func $~lib/rt/itcms/__pin))
  (export "__unpin" (func $~lib/rt/itcms/__unpin))
@@ -115,6 +118,10 @@
  (export "arrayFunction" (func $export:bindings/esm/arrayFunction))
  (export "objectFunction" (func $export:bindings/esm/objectFunction))
  (export "internrefFunction" (func $export:bindings/esm/internrefFunction))
+ (export "functionFunction" (func $export:bindings/esm/functionFunction))
+ (func $start:bindings/esm~anonymous|0
+  nop
+ )
  (func $bindings/esm/plainFunction (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
@@ -197,7 +204,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 368
+     i32.const 400
      i32.const 159
      i32.const 16
      call $~lib/builtins/abort
@@ -263,7 +270,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 368
+    i32.const 400
     i32.const 127
     i32.const 18
     call $~lib/builtins/abort
@@ -280,7 +287,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 368
+   i32.const 400
    i32.const 131
    i32.const 16
    call $~lib/builtins/abort
@@ -302,8 +309,8 @@
   i32.load
   i32.gt_u
   if
-   i32.const 496
-   i32.const 560
+   i32.const 528
+   i32.const 592
    i32.const 22
    i32.const 28
    call $~lib/builtins/abort
@@ -369,7 +376,7 @@
    i32.eqz
    if (result i32)
     i32.const 0
-    i32.const 368
+    i32.const 400
     i32.const 147
     i32.const 30
     call $~lib/builtins/abort
@@ -495,7 +502,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 268
    i32.const 14
    call $~lib/builtins/abort
@@ -515,7 +522,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 270
    i32.const 14
    call $~lib/builtins/abort
@@ -578,7 +585,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 284
    i32.const 14
    call $~lib/builtins/abort
@@ -710,7 +717,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 201
    i32.const 14
    call $~lib/builtins/abort
@@ -727,7 +734,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 203
    i32.const 14
    call $~lib/builtins/abort
@@ -807,7 +814,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 221
     i32.const 16
     call $~lib/builtins/abort
@@ -850,7 +857,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 233
    i32.const 14
    call $~lib/builtins/abort
@@ -868,7 +875,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 234
    i32.const 14
    call $~lib/builtins/abort
@@ -936,7 +943,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 251
    i32.const 14
    call $~lib/builtins/abort
@@ -1041,7 +1048,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 377
    i32.const 14
    call $~lib/builtins/abort
@@ -1084,7 +1091,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 384
     i32.const 16
     call $~lib/builtins/abort
@@ -1117,7 +1124,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 397
     i32.const 5
     call $~lib/builtins/abort
@@ -1360,7 +1367,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 559
    i32.const 3
    call $~lib/builtins/abort
@@ -1582,7 +1589,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 368
+     i32.const 400
      i32.const 228
      i32.const 20
      call $~lib/builtins/abort
@@ -1688,8 +1695,8 @@
   i32.const 1073741820
   i32.gt_u
   if
-   i32.const 304
-   i32.const 640
+   i32.const 336
+   i32.const 672
    i32.const 458
    i32.const 29
    call $~lib/builtins/abort
@@ -1773,7 +1780,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 330
    i32.const 14
    call $~lib/builtins/abort
@@ -1838,7 +1845,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 640
+     i32.const 672
      i32.const 343
      i32.const 18
      call $~lib/builtins/abort
@@ -1989,7 +1996,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 357
    i32.const 14
    call $~lib/builtins/abort
@@ -2098,7 +2105,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 496
     i32.const 16
     call $~lib/builtins/abort
@@ -2118,7 +2125,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 498
    i32.const 14
    call $~lib/builtins/abort
@@ -2164,8 +2171,8 @@
   i32.const 1073741804
   i32.ge_u
   if
-   i32.const 304
-   i32.const 368
+   i32.const 336
+   i32.const 400
    i32.const 260
    i32.const 31
    call $~lib/builtins/abort
@@ -2247,7 +2254,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 368
+   i32.const 400
    i32.const 294
    i32.const 14
    call $~lib/builtins/abort
@@ -2339,8 +2346,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 496
-   i32.const 736
+   i32.const 528
+   i32.const 768
    i32.const 448
    i32.const 64
    call $~lib/builtins/abort
@@ -2362,8 +2369,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 496
-   i32.const 736
+   i32.const 528
+   i32.const 768
    i32.const 1164
    i32.const 64
    call $~lib/builtins/abort
@@ -2386,8 +2393,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 496
-   i32.const 736
+   i32.const 528
+   i32.const 768
    i32.const 1294
    i32.const 64
    call $~lib/builtins/abort
@@ -2416,8 +2423,8 @@
   call $~lib/staticarray/StaticArray<i32>#get:length
   i32.ge_u
   if
-   i32.const 496
-   i32.const 800
+   i32.const 528
+   i32.const 832
    i32.const 118
    i32.const 41
    call $~lib/builtins/abort
@@ -2451,8 +2458,8 @@
   call $~lib/staticarray/StaticArray<i32>#get:length
   i32.ge_u
   if
-   i32.const 496
-   i32.const 800
+   i32.const 528
+   i32.const 832
    i32.const 133
    i32.const 41
    call $~lib/builtins/abort
@@ -2504,8 +2511,8 @@
   i32.load offset=12
   i32.ge_u
   if
-   i32.const 496
-   i32.const 864
+   i32.const 528
+   i32.const 896
    i32.const 114
    i32.const 42
    call $~lib/builtins/abort
@@ -2589,8 +2596,8 @@
    i32.shr_u
    i32.gt_u
    if
-    i32.const 192
-    i32.const 864
+    i32.const 224
+    i32.const 896
     i32.const 19
     i32.const 48
     call $~lib/builtins/abort
@@ -2681,8 +2688,8 @@
    i32.const 0
    i32.lt_s
    if
-    i32.const 496
-    i32.const 864
+    i32.const 528
+    i32.const 896
     i32.const 130
     i32.const 22
     call $~lib/builtins/abort
@@ -2805,6 +2812,9 @@
  (func $bindings/esm/internrefFunction (param $0 i32) (param $1 i32) (result i32)
   local.get $0
  )
+ (func $bindings/esm/functionFunction (param $0 i32) (result i32)
+  local.get $0
+ )
  (func $~lib/rt/itcms/__pin (param $0 i32) (result i32)
   (local $1 i32)
   local.get $0
@@ -2818,8 +2828,8 @@
    i32.const 3
    i32.eq
    if
-    i32.const 912
-    i32.const 368
+    i32.const 944
+    i32.const 400
     i32.const 337
     i32.const 7
     call $~lib/builtins/abort
@@ -2850,8 +2860,8 @@
   i32.const 3
   i32.ne
   if
-   i32.const 976
-   i32.const 368
+   i32.const 1008
+   i32.const 400
    i32.const 351
    i32.const 5
    call $~lib/builtins/abort
@@ -2939,19 +2949,19 @@
    local.get $0
    call $~lib/rt/itcms/__visit
   end
-  i32.const 496
+  i32.const 528
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 192
+  i32.const 224
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 304
+  i32.const 336
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 912
+  i32.const 944
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 976
+  i32.const 1008
   local.get $0
   call $~lib/rt/itcms/__visit
  )
@@ -2966,6 +2976,17 @@
    call $~lib/rt/itcms/__visit
   end
  )
+ (func $~lib/function/Function<%28%29=>void>#__visit (param $0 i32) (param $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  call $~lib/rt/itcms/__visit
+ )
+ (func $~lib/function/Function<%28%29=>void>~visit (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  call $~lib/function/Function<%28%29=>void>#__visit
+ )
  (func $~lib/typedarray/Int16Array~visit (param $0 i32) (param $1 i32)
   local.get $0
   local.get $1
@@ -3089,22 +3110,28 @@
            block $~lib/typedarray/Uint64Array
             block $~lib/typedarray/Float32Array
              block $~lib/typedarray/Int16Array
-              block $~lib/arraybuffer/ArrayBufferView
-               block $~lib/string/String
-                block $~lib/arraybuffer/ArrayBuffer
-                 local.get $0
-                 i32.const 8
-                 i32.sub
-                 i32.load
-                 br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $~lib/arraybuffer/ArrayBufferView $~lib/typedarray/Int16Array $~lib/typedarray/Float32Array $~lib/typedarray/Uint64Array $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $~lib/array/Array<i32> $bindings/esm/PlainObject $~lib/typedarray/Uint8Array $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+              block $~lib/function/Function<%28%29=>void>
+               block $~lib/arraybuffer/ArrayBufferView
+                block $~lib/string/String
+                 block $~lib/arraybuffer/ArrayBuffer
+                  local.get $0
+                  i32.const 8
+                  i32.sub
+                  i32.load
+                  br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $~lib/arraybuffer/ArrayBufferView $~lib/function/Function<%28%29=>void> $~lib/typedarray/Int16Array $~lib/typedarray/Float32Array $~lib/typedarray/Uint64Array $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $~lib/array/Array<i32> $bindings/esm/PlainObject $~lib/typedarray/Uint8Array $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+                 end
+                 return
                 end
                 return
                end
+               local.get $0
+               local.get $1
+               call $~lib/arraybuffer/ArrayBufferView~visit
                return
               end
               local.get $0
               local.get $1
-              call $~lib/arraybuffer/ArrayBufferView~visit
+              call $~lib/function/Function<%28%29=>void>~visit
               return
              end
              local.get $0
@@ -3172,13 +3199,13 @@
   i32.const 1
   i32.shr_u
   global.set $~lib/rt/itcms/threshold
-  i32.const 416
+  i32.const 448
   call $~lib/rt/itcms/initLazy
   global.set $~lib/rt/itcms/pinSpace
-  i32.const 448
+  i32.const 480
   call $~lib/rt/itcms/initLazy
   global.set $~lib/rt/itcms/toSpace
-  i32.const 592
+  i32.const 624
   call $~lib/rt/itcms/initLazy
   global.set $~lib/rt/itcms/fromSpace
  )
@@ -3187,8 +3214,8 @@
   global.get $~lib/memory/__data_end
   i32.lt_s
   if
-   i32.const 17552
-   i32.const 17600
+   i32.const 17584
+   i32.const 17632
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -3205,7 +3232,7 @@
   global.get $~lib/memory/__stack_pointer
   i32.const 0
   i32.store
-  i32.const 96
+  i32.const 128
   local.set $0
   global.get $~lib/memory/__stack_pointer
   local.get $0
@@ -3218,7 +3245,7 @@
   f64.const 0
   f64.const 0
   call $~lib/builtins/trace
-  i32.const 128
+  i32.const 160
   local.set $0
   global.get $~lib/memory/__stack_pointer
   local.get $0
@@ -3254,8 +3281,8 @@
   i32.const 1073741820
   i32.gt_u
   if
-   i32.const 192
-   i32.const 240
+   i32.const 224
+   i32.const 272
    i32.const 52
    i32.const 43
    call $~lib/builtins/abort
@@ -3356,7 +3383,7 @@
   i32.const 0
   i32.eq
   if
-   i32.const 704
+   i32.const 736
    local.set $6
    global.get $~lib/memory/__stack_pointer
    i32.const 4
@@ -3460,8 +3487,8 @@
   i32.shr_u
   i32.gt_u
   if
-   i32.const 192
-   i32.const 240
+   i32.const 224
+   i32.const 272
    i32.const 19
    i32.const 57
    call $~lib/builtins/abort
@@ -3512,7 +3539,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 12
-   i32.const 5
+   i32.const 6
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -3632,8 +3659,8 @@
   i32.shr_u
   i32.gt_u
   if
-   i32.const 192
-   i32.const 800
+   i32.const 224
+   i32.const 832
    i32.const 91
    i32.const 60
    call $~lib/builtins/abort
@@ -3645,7 +3672,7 @@
   local.set $2
   global.get $~lib/memory/__stack_pointer
   local.get $2
-  i32.const 6
+  i32.const 7
   call $~lib/rt/itcms/__new
   local.tee $3
   i32.store
@@ -3760,7 +3787,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 16
-   i32.const 9
+   i32.const 10
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -3783,8 +3810,8 @@
   i32.shr_u
   i32.gt_u
   if
-   i32.const 192
-   i32.const 864
+   i32.const 224
+   i32.const 896
    i32.const 70
    i32.const 60
    call $~lib/builtins/abort
@@ -3926,7 +3953,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 68
-   i32.const 10
+   i32.const 11
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -4040,7 +4067,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 0
-   i32.const 13
+   i32.const 14
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -4275,4 +4302,23 @@
   global.set $~lib/memory/__stack_pointer
   local.get $2
  )
+ (func $export:bindings/esm/functionFunction (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store
+  local.get $0
+  call $bindings/esm/functionFunction
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
 )
diff --git a/tests/compiler/bindings/esm.release.d.ts b/tests/compiler/bindings/esm.release.d.ts
index d4b27a1ee2..d98ef3b22f 100644
--- a/tests/compiler/bindings/esm.release.d.ts
+++ b/tests/compiler/bindings/esm.release.d.ts
@@ -124,21 +124,32 @@ export declare function arrayFunction(a: Array<number>, b: Array<number>): Array
  * @param b `bindings/esm/PlainObject`
  * @returns `bindings/esm/PlainObject`
  */
-export declare function objectFunction(a: __Record10<undefined>, b: __Record10<undefined>): __Record10<never>;
+export declare function objectFunction(a: __Record11<undefined>, b: __Record11<undefined>): __Record11<never>;
 /**
  * bindings/esm/newInternref
  * @returns `bindings/esm/NonPlainObject`
  */
-export declare function newInternref(): __Internref13;
+export declare function newInternref(): __Internref14;
 /**
  * bindings/esm/internrefFunction
  * @param a `bindings/esm/NonPlainObject`
  * @param b `bindings/esm/NonPlainObject`
  * @returns `bindings/esm/NonPlainObject`
  */
-export declare function internrefFunction(a: __Internref13, b: __Internref13): __Internref13;
+export declare function internrefFunction(a: __Internref14, b: __Internref14): __Internref14;
+/**
+ * bindings/esm/functionFunction
+ * @param fn `() => void`
+ * @returns `() => void`
+ */
+export declare function functionFunction(fn: __Internref3): __Internref3;
+/** bindings/esm/fn */
+export declare const fn: {
+  /** @type `() => void` */
+  get value(): __Internref3
+};
 /** bindings/esm/PlainObject */
-declare interface __Record10<TOmittable> {
+declare interface __Record11<TOmittable> {
   /** @type `i8` */
   a: number | TOmittable;
   /** @type `i16` */
@@ -173,6 +184,10 @@ declare interface __Record10<TOmittable> {
   p: Array<string> | null | TOmittable;
 }
 /** bindings/esm/NonPlainObject */
-declare class __Internref13 extends Number {
-  private __nominal13: symbol;
+declare class __Internref14 extends Number {
+  private __nominal14: symbol;
+}
+/** ~lib/function/Function<%28%29=>void> */
+declare class __Internref3 extends Number {
+  private __nominal3: symbol;
 }
diff --git a/tests/compiler/bindings/esm.release.js b/tests/compiler/bindings/esm.release.js
index e38479066a..599538b218 100644
--- a/tests/compiler/bindings/esm.release.js
+++ b/tests/compiler/bindings/esm.release.js
@@ -127,8 +127,8 @@ async function instantiate(module, imports = {}) {
     },
     typedarrayFunction(a, b) {
       // bindings/esm/typedarrayFunction(~lib/typedarray/Int16Array, ~lib/typedarray/Float32Array) => ~lib/typedarray/Uint64Array
-      a = __retain(__lowerTypedArray(Int16Array, 3, 1, a) || __notnull());
-      b = __lowerTypedArray(Float32Array, 4, 2, b) || __notnull();
+      a = __retain(__lowerTypedArray(Int16Array, 4, 1, a) || __notnull());
+      b = __lowerTypedArray(Float32Array, 5, 2, b) || __notnull();
       try {
         return __liftTypedArray(BigUint64Array, exports.typedarrayFunction(a, b) >>> 0);
       } finally {
@@ -137,8 +137,8 @@ async function instantiate(module, imports = {}) {
     },
     staticarrayFunction(a, b) {
       // bindings/esm/staticarrayFunction(~lib/staticarray/StaticArray<i32>, ~lib/staticarray/StaticArray<i32>) => ~lib/staticarray/StaticArray<i32>
-      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, a, Int32Array) || __notnull());
-      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, b, Int32Array) || __notnull();
+      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, a, Int32Array) || __notnull());
+      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, b, Int32Array) || __notnull();
       try {
         return __liftStaticArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.staticarrayFunction(a, b) >>> 0);
       } finally {
@@ -147,18 +147,18 @@ async function instantiate(module, imports = {}) {
     },
     staticarrayU16(a) {
       // bindings/esm/staticarrayU16(~lib/staticarray/StaticArray<u16>) => ~lib/staticarray/StaticArray<u16>
-      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 7, 1, a, Uint16Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 8, 1, a, Uint16Array) || __notnull();
       return __liftStaticArray(pointer => new Uint16Array(memory.buffer)[pointer >>> 1], 1, exports.staticarrayU16(a) >>> 0);
     },
     staticarrayI64(a) {
       // bindings/esm/staticarrayI64(~lib/staticarray/StaticArray<i64>) => ~lib/staticarray/StaticArray<i64>
-      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 8, 3, a, BigInt64Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 9, 3, a, BigInt64Array) || __notnull();
       return __liftStaticArray(pointer => new BigInt64Array(memory.buffer)[pointer >>> 3], 3, exports.staticarrayI64(a) >>> 0);
     },
     arrayFunction(a, b) {
       // bindings/esm/arrayFunction(~lib/array/Array<i32>, ~lib/array/Array<i32>) => ~lib/array/Array<i32>
-      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, a) || __notnull());
-      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, b) || __notnull();
+      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, a) || __notnull());
+      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, b) || __notnull();
       try {
         return __liftArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.arrayFunction(a, b) >>> 0);
       } finally {
@@ -167,10 +167,10 @@ async function instantiate(module, imports = {}) {
     },
     objectFunction(a, b) {
       // bindings/esm/objectFunction(bindings/esm/PlainObject, bindings/esm/PlainObject) => bindings/esm/PlainObject
-      a = __retain(__lowerRecord10(a) || __notnull());
-      b = __lowerRecord10(b) || __notnull();
+      a = __retain(__lowerRecord11(a) || __notnull());
+      b = __lowerRecord11(b) || __notnull();
       try {
-        return __liftRecord10(exports.objectFunction(a, b) >>> 0);
+        return __liftRecord11(exports.objectFunction(a, b) >>> 0);
       } finally {
         __release(a);
       }
@@ -189,12 +189,24 @@ async function instantiate(module, imports = {}) {
         __release(a);
       }
     },
+    functionFunction(fn) {
+      // bindings/esm/functionFunction(() => void) => () => void
+      fn = __lowerInternref(fn) || __notnull();
+      return __liftInternref(exports.functionFunction(fn) >>> 0);
+    },
+    fn: {
+      // bindings/esm/fn: () => void
+      valueOf() { return this.value; },
+      get value() {
+        return __liftInternref(exports.fn.value >>> 0);
+      }
+    },
   }, exports);
-  function __lowerRecord10(value) {
+  function __lowerRecord11(value) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lowering as a record by providing an empty constructor
     if (value == null) return 0;
-    const pointer = exports.__pin(exports.__new(68, 10));
+    const pointer = exports.__pin(exports.__new(68, 11));
     new Int8Array(memory.buffer)[pointer + 0 >>> 0] = value.a;
     new Int16Array(memory.buffer)[pointer + 2 >>> 1] = value.b;
     new Int32Array(memory.buffer)[pointer + 4 >>> 2] = value.c;
@@ -209,12 +221,12 @@ async function instantiate(module, imports = {}) {
     new Float32Array(memory.buffer)[pointer + 44 >>> 2] = value.l;
     new Float64Array(memory.buffer)[pointer + 48 >>> 3] = value.m;
     new Uint32Array(memory.buffer)[pointer + 56 >>> 2] = __lowerString(value.n);
-    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 11, 0, value.o);
-    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 12, 2, value.p);
+    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 12, 0, value.o);
+    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 13, 2, value.p);
     exports.__unpin(pointer);
     return pointer;
   }
-  function __liftRecord10(pointer) {
+  function __liftRecord11(pointer) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lifting as a record by providing an empty constructor
     if (!pointer) return null;
@@ -337,8 +349,8 @@ async function instantiate(module, imports = {}) {
     exports.__unpin(buffer);
     return buffer;
   }
-  const registry = new FinalizationRegistry(__release);
   class Internref extends Number {}
+  const registry = new FinalizationRegistry(__release);
   function __liftInternref(pointer) {
     if (!pointer) return null;
     const sentinel = new Internref(__retain(pointer));
@@ -395,7 +407,9 @@ export const {
   arrayFunction,
   objectFunction,
   newInternref,
-  internrefFunction
+  internrefFunction,
+  functionFunction,
+  fn
 } = await (async url => instantiate(
   await (async () => {
     try { return await globalThis.WebAssembly.compileStreaming(globalThis.fetch(url)); }
diff --git a/tests/compiler/bindings/esm.release.wat b/tests/compiler/bindings/esm.release.wat
index ba446b9f95..d46f201b4b 100644
--- a/tests/compiler/bindings/esm.release.wat
+++ b/tests/compiler/bindings/esm.release.wat
@@ -28,6 +28,7 @@
  (global $bindings/esm/ConstEnum.ONE i32 (i32.const 1))
  (global $bindings/esm/ConstEnum.TWO i32 (i32.const 2))
  (global $bindings/esm/ConstEnum.THREE i32 (i32.const 3))
+ (global $bindings/esm/fn i32 (i32.const 1120))
  (global $~lib/rt/itcms/total (mut i32) (i32.const 0))
  (global $~lib/rt/itcms/threshold (mut i32) (i32.const 0))
  (global $~lib/rt/itcms/state (mut i32) (i32.const 0))
@@ -39,8 +40,8 @@
  (global $~lib/rt/itcms/fromSpace (mut i32) (i32.const 0))
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
  (global $~argumentsLength (mut i32) (i32.const 0))
- (global $~lib/rt/__rtti_base i32 (i32.const 2048))
- (global $~lib/memory/__stack_pointer (mut i32) (i32.const 18548))
+ (global $~lib/rt/__rtti_base i32 (i32.const 2080))
+ (global $~lib/memory/__stack_pointer (mut i32) (i32.const 18588))
  (global $~started (mut i32) (i32.const 0))
  (memory $0 1)
  (data (i32.const 1036) "\1c")
@@ -48,38 +49,40 @@
  (data (i32.const 1068) "\1c")
  (data (i32.const 1080) "\01\00\00\00\02\00\00\00b")
  (data (i32.const 1100) "\1c")
- (data (i32.const 1112) "\01\00\00\00\n\00\00\00t\00r\00a\00c\00e")
- (data (i32.const 1132) "<")
- (data (i32.const 1144) "\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g")
- (data (i32.const 1196) ",")
- (data (i32.const 1208) "\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h")
- (data (i32.const 1244) "<")
- (data (i32.const 1256) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s")
- (data (i32.const 1308) "<")
- (data (i32.const 1320) "\01\00\00\00(\00\00\00A\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e")
- (data (i32.const 1372) "<")
- (data (i32.const 1384) "\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s")
- (data (i32.const 1500) "<")
- (data (i32.const 1512) "\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e")
- (data (i32.const 1564) ",")
- (data (i32.const 1576) "\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s")
- (data (i32.const 1644) "<")
- (data (i32.const 1656) "\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 1708) "\1c")
- (data (i32.const 1720) "\01")
- (data (i32.const 1740) "<")
- (data (i32.const 1752) "\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s")
- (data (i32.const 1804) "<")
- (data (i32.const 1816) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s")
- (data (i32.const 1868) ",")
- (data (i32.const 1880) "\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s")
- (data (i32.const 1916) "<")
- (data (i32.const 1928) "\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d")
- (data (i32.const 1980) "<")
- (data (i32.const 1992) "\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d")
- (data (i32.const 2048) "\0e\00\00\00 \00\00\00\00\00\00\00 ")
- (data (i32.const 2076) "\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t")
- (data (i32.const 2140) "A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 ")
+ (data (i32.const 1112) "\03\00\00\00\08\00\00\00\01")
+ (data (i32.const 1132) "\1c")
+ (data (i32.const 1144) "\01\00\00\00\n\00\00\00t\00r\00a\00c\00e")
+ (data (i32.const 1164) "<")
+ (data (i32.const 1176) "\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g")
+ (data (i32.const 1228) ",")
+ (data (i32.const 1240) "\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h")
+ (data (i32.const 1276) "<")
+ (data (i32.const 1288) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s")
+ (data (i32.const 1340) "<")
+ (data (i32.const 1352) "\01\00\00\00(\00\00\00A\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e")
+ (data (i32.const 1404) "<")
+ (data (i32.const 1416) "\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s")
+ (data (i32.const 1532) "<")
+ (data (i32.const 1544) "\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e")
+ (data (i32.const 1596) ",")
+ (data (i32.const 1608) "\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s")
+ (data (i32.const 1676) "<")
+ (data (i32.const 1688) "\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 1740) "\1c")
+ (data (i32.const 1752) "\01")
+ (data (i32.const 1772) "<")
+ (data (i32.const 1784) "\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 1836) "<")
+ (data (i32.const 1848) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 1900) ",")
+ (data (i32.const 1912) "\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 1948) "<")
+ (data (i32.const 1960) "\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d")
+ (data (i32.const 2012) "<")
+ (data (i32.const 2024) "\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d")
+ (data (i32.const 2080) "\0f\00\00\00 \00\00\00\00\00\00\00 ")
+ (data (i32.const 2116) "\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t")
+ (data (i32.const 2180) "A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 ")
  (export "plainGlobal" (global $bindings/esm/plainGlobal))
  (export "plainMutableGlobal" (global $bindings/esm/plainMutableGlobal))
  (export "stringGlobal" (global $bindings/esm/stringGlobal))
@@ -95,6 +98,7 @@
  (export "getMaxUnsigned32" (func $bindings/esm/getMaxUnsigned32))
  (export "getMaxUnsigned64" (func $bindings/esm/getMaxUnsigned64))
  (export "newInternref" (func $bindings/esm/newInternref))
+ (export "fn" (global $bindings/esm/fn))
  (export "__new" (func $~lib/rt/itcms/__new))
  (export "__pin" (func $~lib/rt/itcms/__pin))
  (export "__unpin" (func $~lib/rt/itcms/__unpin))
@@ -113,6 +117,7 @@
  (export "arrayFunction" (func $export:bindings/esm/arrayFunction))
  (export "objectFunction" (func $export:bindings/esm/objectFunction))
  (export "internrefFunction" (func $export:bindings/esm/internrefFunction))
+ (export "functionFunction" (func $export:bindings/esm/staticarrayU16))
  (func $bindings/esm/plainFunction (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
@@ -140,15 +145,15 @@
    local.get $0
    call $byn-split-outlined-A$~lib/rt/itcms/__visit
   end
-  i32.const 1520
+  i32.const 1552
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 1216
+  i32.const 1248
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 1328
+  i32.const 1360
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 1936
+  i32.const 1968
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 2000
+  i32.const 2032
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
   global.get $~lib/rt/itcms/pinSpace
   local.tee $1
@@ -169,7 +174,7 @@
     i32.ne
     if
      i32.const 0
-     i32.const 1392
+     i32.const 1424
      i32.const 159
      i32.const 16
      call $~lib/builtins/abort
@@ -199,7 +204,7 @@
   if
    i32.const 0
    local.get $0
-   i32.const 18548
+   i32.const 18588
    i32.lt_u
    local.get $0
    i32.load offset=8
@@ -207,7 +212,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1392
+    i32.const 1424
     i32.const 127
     i32.const 18
     call $~lib/builtins/abort
@@ -221,7 +226,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1392
+   i32.const 1424
    i32.const 131
    i32.const 16
    call $~lib/builtins/abort
@@ -253,7 +258,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1392
+    i32.const 1424
     i32.const 147
     i32.const 30
     call $~lib/builtins/abort
@@ -275,12 +280,12 @@
    i32.const 1
   else
    local.get $2
-   i32.const 2048
+   i32.const 2080
    i32.load
    i32.gt_u
    if
-    i32.const 1520
-    i32.const 1584
+    i32.const 1552
+    i32.const 1616
     i32.const 22
     i32.const 28
     call $~lib/builtins/abort
@@ -289,7 +294,7 @@
    local.get $2
    i32.const 3
    i32.shl
-   i32.const 2052
+   i32.const 2084
    i32.add
    i32.load
    i32.const 32
@@ -336,7 +341,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 268
    i32.const 14
    call $~lib/builtins/abort
@@ -350,7 +355,7 @@
   i32.lt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 270
    i32.const 14
    call $~lib/builtins/abort
@@ -396,7 +401,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 284
    i32.const 14
    call $~lib/builtins/abort
@@ -486,7 +491,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 201
    i32.const 14
    call $~lib/builtins/abort
@@ -500,7 +505,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 203
    i32.const 14
    call $~lib/builtins/abort
@@ -561,7 +566,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 221
     i32.const 16
     call $~lib/builtins/abort
@@ -594,7 +599,7 @@
   i32.lt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 233
    i32.const 14
    call $~lib/builtins/abort
@@ -609,7 +614,7 @@
   i32.ne
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 234
    i32.const 14
    call $~lib/builtins/abort
@@ -660,7 +665,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 251
    i32.const 14
    call $~lib/builtins/abort
@@ -730,7 +735,7 @@
   i32.gt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 377
    i32.const 14
    call $~lib/builtins/abort
@@ -755,7 +760,7 @@
    i32.gt_u
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 384
     i32.const 16
     call $~lib/builtins/abort
@@ -783,7 +788,7 @@
    i32.gt_u
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 397
     i32.const 5
     call $~lib/builtins/abort
@@ -854,10 +859,10 @@
   if
    unreachable
   end
-  i32.const 18560
+  i32.const 18592
   i32.const 0
   i32.store
-  i32.const 20128
+  i32.const 20160
   i32.const 0
   i32.store
   loop $for-loop|0
@@ -868,7 +873,7 @@
     local.get $0
     i32.const 2
     i32.shl
-    i32.const 18560
+    i32.const 18592
     i32.add
     i32.const 0
     i32.store offset=4
@@ -886,7 +891,7 @@
       i32.add
       i32.const 2
       i32.shl
-      i32.const 18560
+      i32.const 18592
       i32.add
       i32.const 0
       i32.store offset=96
@@ -904,13 +909,13 @@
     br $for-loop|0
    end
   end
-  i32.const 18560
-  i32.const 20132
+  i32.const 18592
+  i32.const 20164
   memory.size
   i32.const 16
   i32.shl
   call $~lib/rt/tlsf/addMemory
-  i32.const 18560
+  i32.const 18592
   global.set $~lib/rt/tlsf/ROOT
  )
  (func $~lib/rt/itcms/step (result i32)
@@ -995,7 +1000,7 @@
      local.set $0
      loop $while-continue|0
       local.get $0
-      i32.const 18548
+      i32.const 18588
       i32.lt_u
       if
        local.get $0
@@ -1088,14 +1093,14 @@
     i32.ne
     if
      i32.const 0
-     i32.const 1392
+     i32.const 1424
      i32.const 228
      i32.const 20
      call $~lib/builtins/abort
      unreachable
     end
     local.get $0
-    i32.const 18548
+    i32.const 18588
     i32.lt_u
     if
      local.get $0
@@ -1118,7 +1123,7 @@
      i32.const 4
      i32.add
      local.tee $0
-     i32.const 18548
+     i32.const 18588
      i32.ge_u
      if
       global.get $~lib/rt/tlsf/ROOT
@@ -1147,7 +1152,7 @@
       end
       if
        i32.const 0
-       i32.const 1664
+       i32.const 1696
        i32.const 559
        i32.const 3
        call $~lib/builtins/abort
@@ -1230,7 +1235,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 330
    i32.const 14
    call $~lib/builtins/abort
@@ -1282,7 +1287,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 1664
+     i32.const 1696
      i32.const 343
      i32.const 18
      call $~lib/builtins/abort
@@ -1314,8 +1319,8 @@
   i32.const 1073741804
   i32.ge_u
   if
-   i32.const 1328
-   i32.const 1392
+   i32.const 1360
+   i32.const 1424
    i32.const 260
    i32.const 31
    call $~lib/builtins/abort
@@ -1380,8 +1385,8 @@
   i32.const 1073741820
   i32.gt_u
   if
-   i32.const 1328
-   i32.const 1664
+   i32.const 1360
+   i32.const 1696
    i32.const 458
    i32.const 29
    call $~lib/builtins/abort
@@ -1471,7 +1476,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 496
     i32.const 16
     call $~lib/builtins/abort
@@ -1486,7 +1491,7 @@
   i32.gt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 498
    i32.const 14
    call $~lib/builtins/abort
@@ -1505,7 +1510,7 @@
   i32.and
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 357
    i32.const 14
    call $~lib/builtins/abort
@@ -1619,11 +1624,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -1659,7 +1664,7 @@
     i32.const 4
     i32.add
     global.set $~lib/memory/__stack_pointer
-    i32.const 1728
+    i32.const 1760
     local.set $2
     br $__inlined_func$~lib/string/String#concat
    end
@@ -1694,8 +1699,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1760
+   i32.const 1552
+   i32.const 1792
    i32.const 1164
    i32.const 64
    call $~lib/builtins/abort
@@ -1720,8 +1725,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1824
+   i32.const 1552
+   i32.const 1856
    i32.const 118
    i32.const 41
    call $~lib/builtins/abort
@@ -1744,8 +1749,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1824
+   i32.const 1552
+   i32.const 1856
    i32.const 133
    i32.const 41
    call $~lib/builtins/abort
@@ -1765,8 +1770,8 @@
   i32.load offset=12
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1888
+   i32.const 1552
+   i32.const 1920
    i32.const 114
    i32.const 42
    call $~lib/builtins/abort
@@ -1794,8 +1799,8 @@
    i32.const 0
    i32.lt_s
    if
-    i32.const 1520
-    i32.const 1888
+    i32.const 1552
+    i32.const 1920
     i32.const 130
     i32.const 22
     call $~lib/builtins/abort
@@ -1816,8 +1821,8 @@
     i32.const 268435455
     i32.gt_u
     if
-     i32.const 1216
-     i32.const 1888
+     i32.const 1248
+     i32.const 1920
      i32.const 19
      i32.const 48
      call $~lib/builtins/abort
@@ -1927,11 +1932,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -1943,7 +1948,7 @@
   i32.store
   local.get $0
   i32.const 0
-  i32.const 13
+  i32.const 14
   call $~lib/rt/itcms/__new
   local.tee $0
   i32.store
@@ -1969,8 +1974,8 @@
    i32.const 3
    i32.eq
    if
-    i32.const 1936
-    i32.const 1392
+    i32.const 1968
+    i32.const 1424
     i32.const 337
     i32.const 7
     call $~lib/builtins/abort
@@ -2022,8 +2027,8 @@
   i32.const 3
   i32.ne
   if
-   i32.const 2000
-   i32.const 1392
+   i32.const 2032
+   i32.const 1424
    i32.const 351
    i32.const 5
    call $~lib/builtins/abort
@@ -2111,16 +2116,26 @@
         block $~lib/staticarray/StaticArray<i64>
          block $~lib/staticarray/StaticArray<u16>
           block $~lib/staticarray/StaticArray<i32>
-           block $~lib/string/String
-            block $~lib/arraybuffer/ArrayBuffer
-             local.get $0
-             i32.const 8
-             i32.sub
-             i32.load
-             br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $folding-inner1 $folding-inner0 $folding-inner0 $folding-inner0 $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $folding-inner1 $bindings/esm/PlainObject $folding-inner0 $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+           block $~lib/function/Function<%28%29=>void>
+            block $~lib/string/String
+             block $~lib/arraybuffer/ArrayBuffer
+              local.get $0
+              i32.const 8
+              i32.sub
+              i32.load
+              br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $folding-inner1 $~lib/function/Function<%28%29=>void> $folding-inner0 $folding-inner0 $folding-inner0 $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $folding-inner1 $bindings/esm/PlainObject $folding-inner0 $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+             end
+             return
             end
             return
            end
+           local.get $0
+           i32.load offset=4
+           local.tee $0
+           if
+            local.get $0
+            call $byn-split-outlined-A$~lib/rt/itcms/__visit
+           end
            return
           end
           return
@@ -2220,11 +2235,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -2235,9 +2250,9 @@
   i32.const 0
   i32.store
   local.get $0
-  i32.const 1120
+  i32.const 1152
   i32.store
-  i32.const 1120
+  i32.const 1152
   i32.const 1
   f64.const 42
   f64.const 0
@@ -2246,9 +2261,9 @@
   f64.const 0
   call $~lib/builtins/trace
   global.get $~lib/memory/__stack_pointer
-  i32.const 1152
+  i32.const 1184
   i32.store
-  i32.const 1152
+  i32.const 1184
   call $~lib/bindings/dom/console.log
   global.get $~lib/bindings/dom/Math.E
   call $~lib/bindings/dom/Math.log
@@ -2262,19 +2277,11 @@
   memory.size
   i32.const 16
   i32.shl
-  i32.const 18548
+  i32.const 18588
   i32.sub
   i32.const 1
   i32.shr_u
   global.set $~lib/rt/itcms/threshold
-  i32.const 1444
-  i32.const 1440
-  i32.store
-  i32.const 1448
-  i32.const 1440
-  i32.store
-  i32.const 1440
-  global.set $~lib/rt/itcms/pinSpace
   i32.const 1476
   i32.const 1472
   i32.store
@@ -2282,14 +2289,22 @@
   i32.const 1472
   i32.store
   i32.const 1472
+  global.set $~lib/rt/itcms/pinSpace
+  i32.const 1508
+  i32.const 1504
+  i32.store
+  i32.const 1512
+  i32.const 1504
+  i32.store
+  i32.const 1504
   global.set $~lib/rt/itcms/toSpace
-  i32.const 1620
-  i32.const 1616
+  i32.const 1652
+  i32.const 1648
   i32.store
-  i32.const 1624
-  i32.const 1616
+  i32.const 1656
+  i32.const 1648
   i32.store
-  i32.const 1616
+  i32.const 1648
   global.set $~lib/rt/itcms/fromSpace
  )
  (func $export:bindings/esm/bufferFunction (param $0 i32) (param $1 i32) (result i32)
@@ -2303,7 +2318,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner0
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2318,7 +2333,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2342,7 +2357,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2352,8 +2367,8 @@
    i32.const 1073741820
    i32.gt_u
    if
-    i32.const 1216
-    i32.const 1264
+    i32.const 1248
+    i32.const 1296
     i32.const 52
     i32.const 43
     call $~lib/builtins/abort
@@ -2393,8 +2408,8 @@
    local.get $5
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2407,11 +2422,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -2440,7 +2455,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner0
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2455,7 +2470,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2490,8 +2505,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2509,7 +2524,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2524,7 +2539,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2549,7 +2564,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner00
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner00
      global.get $~lib/memory/__stack_pointer
@@ -2558,7 +2573,7 @@
      i32.store
      local.get $2
      i32.const 12
-     i32.const 5
+     i32.const 6
      call $~lib/rt/itcms/__new
      local.tee $2
      i32.store
@@ -2568,7 +2583,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner00
      global.get $~lib/memory/__stack_pointer
@@ -2597,8 +2612,8 @@
      i32.const 134217727
      i32.gt_u
      if
-      i32.const 1216
-      i32.const 1264
+      i32.const 1248
+      i32.const 1296
       i32.const 19
       i32.const 57
       call $~lib/builtins/abort
@@ -2661,8 +2676,8 @@
      i32.shr_u
      i32.ge_u
      if
-      i32.const 1520
-      i32.const 1760
+      i32.const 1552
+      i32.const 1792
       i32.const 448
       i32.const 64
       call $~lib/builtins/abort
@@ -2709,8 +2724,8 @@
      i32.shr_u
      i32.ge_u
      if
-      i32.const 1520
-      i32.const 1760
+      i32.const 1552
+      i32.const 1792
       i32.const 1294
       i32.const 64
       call $~lib/builtins/abort
@@ -2745,8 +2760,8 @@
    local.get $2
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2762,7 +2777,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2779,7 +2794,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner0
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2805,7 +2820,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2815,8 +2830,8 @@
      i32.const 268435455
      i32.gt_u
      if
-      i32.const 1216
-      i32.const 1824
+      i32.const 1248
+      i32.const 1856
       i32.const 91
       i32.const 60
       call $~lib/builtins/abort
@@ -2826,7 +2841,7 @@
      local.get $4
      i32.const 2
      i32.shl
-     i32.const 6
+     i32.const 7
      call $~lib/rt/itcms/__new
      local.tee $4
      i32.store
@@ -2907,8 +2922,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2921,11 +2936,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -2953,7 +2968,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2972,7 +2987,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner0
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2990,7 +3005,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2999,7 +3014,7 @@
      i64.store
      local.get $0
      i32.const 16
-     i32.const 9
+     i32.const 10
      call $~lib/rt/itcms/__new
      local.tee $2
      i32.store
@@ -3019,8 +3034,8 @@
      i32.const 268435455
      i32.gt_u
      if
-      i32.const 1216
-      i32.const 1888
+      i32.const 1248
+      i32.const 1920
       i32.const 70
       i32.const 60
       call $~lib/builtins/abort
@@ -3125,8 +3140,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -3141,7 +3156,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -3158,7 +3173,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner0
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -3170,7 +3185,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -3179,7 +3194,7 @@
      i32.store
      local.get $3
      i32.const 68
-     i32.const 10
+     i32.const 11
      call $~lib/rt/itcms/__new
      local.tee $3
      i32.store
@@ -3267,8 +3282,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -3281,11 +3296,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -3328,7 +3343,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1392
+   i32.const 1424
    i32.const 294
    i32.const 14
    call $~lib/builtins/abort
diff --git a/tests/compiler/bindings/esm.ts b/tests/compiler/bindings/esm.ts
index 75debd1de2..3e124ed2ad 100644
--- a/tests/compiler/bindings/esm.ts
+++ b/tests/compiler/bindings/esm.ts
@@ -130,6 +130,12 @@ export function internrefFunction(a: NonPlainObject, b: NonPlainObject): NonPlai
   return a;
 }
 
+export function functionFunction(fn: () => void): () => void {
+  return fn;
+}
+
+export const fn = function(): void {};
+
 trace("trace", 1, 42);
 
 import { console, Math } from "bindings/dom";
diff --git a/tests/compiler/bindings/raw.debug.d.ts b/tests/compiler/bindings/raw.debug.d.ts
index 930fee4422..6a7a80544c 100644
--- a/tests/compiler/bindings/raw.debug.d.ts
+++ b/tests/compiler/bindings/raw.debug.d.ts
@@ -125,22 +125,33 @@ declare namespace __AdaptedExports {
    * @param b `bindings/esm/PlainObject`
    * @returns `bindings/esm/PlainObject`
    */
-  export function objectFunction(a: __Record10<undefined>, b: __Record10<undefined>): __Record10<never>;
+  export function objectFunction(a: __Record11<undefined>, b: __Record11<undefined>): __Record11<never>;
   /**
    * bindings/esm/newInternref
    * @returns `bindings/esm/NonPlainObject`
    */
-  export function newInternref(): __Internref13;
+  export function newInternref(): __Internref14;
   /**
    * bindings/esm/internrefFunction
    * @param a `bindings/esm/NonPlainObject`
    * @param b `bindings/esm/NonPlainObject`
    * @returns `bindings/esm/NonPlainObject`
    */
-  export function internrefFunction(a: __Internref13, b: __Internref13): __Internref13;
+  export function internrefFunction(a: __Internref14, b: __Internref14): __Internref14;
+  /**
+   * bindings/esm/functionFunction
+   * @param fn `() => void`
+   * @returns `() => void`
+   */
+  export function functionFunction(fn: __Internref3): __Internref3;
+  /** bindings/esm/fn */
+  export const fn: {
+    /** @type `() => void` */
+    get value(): __Internref3
+  };
 }
 /** bindings/esm/PlainObject */
-declare interface __Record10<TOmittable> {
+declare interface __Record11<TOmittable> {
   /** @type `i8` */
   a: number | TOmittable;
   /** @type `i16` */
@@ -175,8 +186,12 @@ declare interface __Record10<TOmittable> {
   p: Array<string> | null | TOmittable;
 }
 /** bindings/esm/NonPlainObject */
-declare class __Internref13 extends Number {
-  private __nominal13: symbol;
+declare class __Internref14 extends Number {
+  private __nominal14: symbol;
+}
+/** ~lib/function/Function<%28%29=>void> */
+declare class __Internref3 extends Number {
+  private __nominal3: symbol;
 }
 /** Instantiates the compiled WebAssembly module with the given imports. */
 export declare function instantiate(module: WebAssembly.Module, imports: {
diff --git a/tests/compiler/bindings/raw.debug.js b/tests/compiler/bindings/raw.debug.js
index 11516eb03f..88facf8735 100644
--- a/tests/compiler/bindings/raw.debug.js
+++ b/tests/compiler/bindings/raw.debug.js
@@ -127,8 +127,8 @@ export async function instantiate(module, imports = {}) {
     },
     typedarrayFunction(a, b) {
       // bindings/esm/typedarrayFunction(~lib/typedarray/Int16Array, ~lib/typedarray/Float32Array) => ~lib/typedarray/Uint64Array
-      a = __retain(__lowerTypedArray(Int16Array, 3, 1, a) || __notnull());
-      b = __lowerTypedArray(Float32Array, 4, 2, b) || __notnull();
+      a = __retain(__lowerTypedArray(Int16Array, 4, 1, a) || __notnull());
+      b = __lowerTypedArray(Float32Array, 5, 2, b) || __notnull();
       try {
         return __liftTypedArray(BigUint64Array, exports.typedarrayFunction(a, b) >>> 0);
       } finally {
@@ -137,8 +137,8 @@ export async function instantiate(module, imports = {}) {
     },
     staticarrayFunction(a, b) {
       // bindings/esm/staticarrayFunction(~lib/staticarray/StaticArray<i32>, ~lib/staticarray/StaticArray<i32>) => ~lib/staticarray/StaticArray<i32>
-      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, a, Int32Array) || __notnull());
-      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, b, Int32Array) || __notnull();
+      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, a, Int32Array) || __notnull());
+      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, b, Int32Array) || __notnull();
       try {
         return __liftStaticArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.staticarrayFunction(a, b) >>> 0);
       } finally {
@@ -147,18 +147,18 @@ export async function instantiate(module, imports = {}) {
     },
     staticarrayU16(a) {
       // bindings/esm/staticarrayU16(~lib/staticarray/StaticArray<u16>) => ~lib/staticarray/StaticArray<u16>
-      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 7, 1, a, Uint16Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 8, 1, a, Uint16Array) || __notnull();
       return __liftStaticArray(pointer => new Uint16Array(memory.buffer)[pointer >>> 1], 1, exports.staticarrayU16(a) >>> 0);
     },
     staticarrayI64(a) {
       // bindings/esm/staticarrayI64(~lib/staticarray/StaticArray<i64>) => ~lib/staticarray/StaticArray<i64>
-      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 8, 3, a, BigInt64Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 9, 3, a, BigInt64Array) || __notnull();
       return __liftStaticArray(pointer => new BigInt64Array(memory.buffer)[pointer >>> 3], 3, exports.staticarrayI64(a) >>> 0);
     },
     arrayFunction(a, b) {
       // bindings/esm/arrayFunction(~lib/array/Array<i32>, ~lib/array/Array<i32>) => ~lib/array/Array<i32>
-      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, a) || __notnull());
-      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, b) || __notnull();
+      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, a) || __notnull());
+      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, b) || __notnull();
       try {
         return __liftArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.arrayFunction(a, b) >>> 0);
       } finally {
@@ -167,10 +167,10 @@ export async function instantiate(module, imports = {}) {
     },
     objectFunction(a, b) {
       // bindings/esm/objectFunction(bindings/esm/PlainObject, bindings/esm/PlainObject) => bindings/esm/PlainObject
-      a = __retain(__lowerRecord10(a) || __notnull());
-      b = __lowerRecord10(b) || __notnull();
+      a = __retain(__lowerRecord11(a) || __notnull());
+      b = __lowerRecord11(b) || __notnull();
       try {
-        return __liftRecord10(exports.objectFunction(a, b) >>> 0);
+        return __liftRecord11(exports.objectFunction(a, b) >>> 0);
       } finally {
         __release(a);
       }
@@ -189,12 +189,24 @@ export async function instantiate(module, imports = {}) {
         __release(a);
       }
     },
+    functionFunction(fn) {
+      // bindings/esm/functionFunction(() => void) => () => void
+      fn = __lowerInternref(fn) || __notnull();
+      return __liftInternref(exports.functionFunction(fn) >>> 0);
+    },
+    fn: {
+      // bindings/esm/fn: () => void
+      valueOf() { return this.value; },
+      get value() {
+        return __liftInternref(exports.fn.value >>> 0);
+      }
+    },
   }, exports);
-  function __lowerRecord10(value) {
+  function __lowerRecord11(value) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lowering as a record by providing an empty constructor
     if (value == null) return 0;
-    const pointer = exports.__pin(exports.__new(68, 10));
+    const pointer = exports.__pin(exports.__new(68, 11));
     new Int8Array(memory.buffer)[pointer + 0 >>> 0] = value.a;
     new Int16Array(memory.buffer)[pointer + 2 >>> 1] = value.b;
     new Int32Array(memory.buffer)[pointer + 4 >>> 2] = value.c;
@@ -209,12 +221,12 @@ export async function instantiate(module, imports = {}) {
     new Float32Array(memory.buffer)[pointer + 44 >>> 2] = value.l;
     new Float64Array(memory.buffer)[pointer + 48 >>> 3] = value.m;
     new Uint32Array(memory.buffer)[pointer + 56 >>> 2] = __lowerString(value.n);
-    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 11, 0, value.o);
-    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 12, 2, value.p);
+    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 12, 0, value.o);
+    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 13, 2, value.p);
     exports.__unpin(pointer);
     return pointer;
   }
-  function __liftRecord10(pointer) {
+  function __liftRecord11(pointer) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lifting as a record by providing an empty constructor
     if (!pointer) return null;
@@ -337,8 +349,8 @@ export async function instantiate(module, imports = {}) {
     exports.__unpin(buffer);
     return buffer;
   }
-  const registry = new FinalizationRegistry(__release);
   class Internref extends Number {}
+  const registry = new FinalizationRegistry(__release);
   function __liftInternref(pointer) {
     if (!pointer) return null;
     const sentinel = new Internref(__retain(pointer));
diff --git a/tests/compiler/bindings/raw.debug.wat b/tests/compiler/bindings/raw.debug.wat
index 1adeadd9c0..e846c0e2db 100644
--- a/tests/compiler/bindings/raw.debug.wat
+++ b/tests/compiler/bindings/raw.debug.wat
@@ -35,6 +35,7 @@
  (global $bindings/esm/ConstEnum.ONE i32 (i32.const 1))
  (global $bindings/esm/ConstEnum.TWO i32 (i32.const 2))
  (global $bindings/esm/ConstEnum.THREE i32 (i32.const 3))
+ (global $bindings/esm/fn i32 (i32.const 96))
  (global $~lib/builtins/u32.MAX_VALUE i32 (i32.const -1))
  (global $~lib/builtins/u64.MAX_VALUE i64 (i64.const -1))
  (global $~lib/shared/runtime/Runtime.Stub i32 (i32.const 0))
@@ -53,35 +54,36 @@
  (global $~lib/native/ASC_LOW_MEMORY_LIMIT i32 (i32.const 0))
  (global $~lib/native/ASC_RUNTIME i32 (i32.const 2))
  (global $~argumentsLength (mut i32) (i32.const 0))
- (global $~lib/rt/__rtti_base i32 (i32.const 1024))
- (global $~lib/memory/__data_end i32 (i32.const 1140))
- (global $~lib/memory/__stack_pointer (mut i32) (i32.const 17524))
- (global $~lib/memory/__heap_base i32 (i32.const 17524))
+ (global $~lib/rt/__rtti_base i32 (i32.const 1056))
+ (global $~lib/memory/__data_end i32 (i32.const 1180))
+ (global $~lib/memory/__stack_pointer (mut i32) (i32.const 17564))
+ (global $~lib/memory/__heap_base i32 (i32.const 17564))
  (global $~started (mut i32) (i32.const 0))
  (memory $0 1)
  (data (i32.const 12) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00a\00\00\00\00\00\00\00\00\00\00\00")
  (data (i32.const 44) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\02\00\00\00b\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 76) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\n\00\00\00t\00r\00a\00c\00e\00\00\00")
- (data (i32.const 108) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g\00\00\00\00\00\00\00")
- (data (i32.const 172) ",\00\00\00\00\00\00\00\00\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 220) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00")
- (data (i32.const 284) "<\00\00\00\00\00\00\00\00\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\00\00\00\00")
- (data (i32.const 348) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 416) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 76) "\1c\00\00\00\00\00\00\00\00\00\00\00\03\00\00\00\08\00\00\00\01\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 108) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\n\00\00\00t\00r\00a\00c\00e\00\00\00")
+ (data (i32.const 140) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g\00\00\00\00\00\00\00")
+ (data (i32.const 204) ",\00\00\00\00\00\00\00\00\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 252) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00")
+ (data (i32.const 316) "<\00\00\00\00\00\00\00\00\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\00\00\00\00")
+ (data (i32.const 380) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s\00\00\00\00\00\00\00\00\00\00\00\00\00")
  (data (i32.const 448) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 476) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00\00\00")
- (data (i32.const 540) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s\00\00\00\00\00\00\00\00\00")
- (data (i32.const 592) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 620) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 684) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 716) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00\00\00")
- (data (i32.const 780) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00")
- (data (i32.const 844) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00")
- (data (i32.const 892) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d\00\00\00")
- (data (i32.const 956) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d\00\00\00\00\00")
- (data (i32.const 1024) "\0e\00\00\00 \00\00\00\00\00\00\00 \00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t\00\00\00\00\00\00\00\00\00\00\00\00\00\00A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 \00\00\00\00\00\00\00")
- (table $0 1 1 funcref)
- (elem $0 (i32.const 1))
+ (data (i32.const 480) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 508) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 572) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 624) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 652) "<\00\00\00\00\00\00\00\00\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\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 716) "\1c\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 748) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00\00\00")
+ (data (i32.const 812) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00\00\00\00\00")
+ (data (i32.const 876) ",\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00\00\00")
+ (data (i32.const 924) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d\00\00\00")
+ (data (i32.const 988) "<\00\00\00\00\00\00\00\00\00\00\00\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d\00\00\00\00\00")
+ (data (i32.const 1056) "\0f\00\00\00 \00\00\00\00\00\00\00 \00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t\00\00\00\00\00\00\00\00\00\00\00\00\00\00A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 \00\00\00\00\00\00\00")
+ (table $0 2 2 funcref)
+ (elem $0 (i32.const 1) $start:bindings/esm~anonymous|0)
  (export "plainGlobal" (global $bindings/esm/plainGlobal))
  (export "plainMutableGlobal" (global $bindings/esm/plainMutableGlobal))
  (export "stringGlobal" (global $bindings/esm/stringGlobal))
@@ -97,6 +99,7 @@
  (export "getMaxUnsigned32" (func $bindings/esm/getMaxUnsigned32))
  (export "getMaxUnsigned64" (func $bindings/esm/getMaxUnsigned64))
  (export "newInternref" (func $bindings/esm/newInternref))
+ (export "fn" (global $bindings/esm/fn))
  (export "__new" (func $~lib/rt/itcms/__new))
  (export "__pin" (func $~lib/rt/itcms/__pin))
  (export "__unpin" (func $~lib/rt/itcms/__unpin))
@@ -115,6 +118,10 @@
  (export "arrayFunction" (func $export:bindings/esm/arrayFunction))
  (export "objectFunction" (func $export:bindings/esm/objectFunction))
  (export "internrefFunction" (func $export:bindings/esm/internrefFunction))
+ (export "functionFunction" (func $export:bindings/esm/functionFunction))
+ (func $start:bindings/esm~anonymous|0
+  nop
+ )
  (func $start:bindings/raw
   call $start:bindings/esm
  )
@@ -200,7 +207,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 368
+     i32.const 400
      i32.const 159
      i32.const 16
      call $~lib/builtins/abort
@@ -266,7 +273,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 368
+    i32.const 400
     i32.const 127
     i32.const 18
     call $~lib/builtins/abort
@@ -283,7 +290,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 368
+   i32.const 400
    i32.const 131
    i32.const 16
    call $~lib/builtins/abort
@@ -305,8 +312,8 @@
   i32.load
   i32.gt_u
   if
-   i32.const 496
-   i32.const 560
+   i32.const 528
+   i32.const 592
    i32.const 22
    i32.const 28
    call $~lib/builtins/abort
@@ -372,7 +379,7 @@
    i32.eqz
    if (result i32)
     i32.const 0
-    i32.const 368
+    i32.const 400
     i32.const 147
     i32.const 30
     call $~lib/builtins/abort
@@ -498,7 +505,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 268
    i32.const 14
    call $~lib/builtins/abort
@@ -518,7 +525,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 270
    i32.const 14
    call $~lib/builtins/abort
@@ -581,7 +588,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 284
    i32.const 14
    call $~lib/builtins/abort
@@ -713,7 +720,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 201
    i32.const 14
    call $~lib/builtins/abort
@@ -730,7 +737,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 203
    i32.const 14
    call $~lib/builtins/abort
@@ -810,7 +817,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 221
     i32.const 16
     call $~lib/builtins/abort
@@ -853,7 +860,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 233
    i32.const 14
    call $~lib/builtins/abort
@@ -871,7 +878,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 234
    i32.const 14
    call $~lib/builtins/abort
@@ -939,7 +946,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 251
    i32.const 14
    call $~lib/builtins/abort
@@ -1044,7 +1051,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 377
    i32.const 14
    call $~lib/builtins/abort
@@ -1087,7 +1094,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 384
     i32.const 16
     call $~lib/builtins/abort
@@ -1120,7 +1127,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 397
     i32.const 5
     call $~lib/builtins/abort
@@ -1363,7 +1370,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 559
    i32.const 3
    call $~lib/builtins/abort
@@ -1585,7 +1592,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 368
+     i32.const 400
      i32.const 228
      i32.const 20
      call $~lib/builtins/abort
@@ -1691,8 +1698,8 @@
   i32.const 1073741820
   i32.gt_u
   if
-   i32.const 304
-   i32.const 640
+   i32.const 336
+   i32.const 672
    i32.const 458
    i32.const 29
    call $~lib/builtins/abort
@@ -1776,7 +1783,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 330
    i32.const 14
    call $~lib/builtins/abort
@@ -1841,7 +1848,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 640
+     i32.const 672
      i32.const 343
      i32.const 18
      call $~lib/builtins/abort
@@ -1992,7 +1999,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 357
    i32.const 14
    call $~lib/builtins/abort
@@ -2101,7 +2108,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 640
+    i32.const 672
     i32.const 496
     i32.const 16
     call $~lib/builtins/abort
@@ -2121,7 +2128,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 640
+   i32.const 672
    i32.const 498
    i32.const 14
    call $~lib/builtins/abort
@@ -2167,8 +2174,8 @@
   i32.const 1073741804
   i32.ge_u
   if
-   i32.const 304
-   i32.const 368
+   i32.const 336
+   i32.const 400
    i32.const 260
    i32.const 31
    call $~lib/builtins/abort
@@ -2250,7 +2257,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 368
+   i32.const 400
    i32.const 294
    i32.const 14
    call $~lib/builtins/abort
@@ -2342,8 +2349,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 496
-   i32.const 736
+   i32.const 528
+   i32.const 768
    i32.const 448
    i32.const 64
    call $~lib/builtins/abort
@@ -2365,8 +2372,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 496
-   i32.const 736
+   i32.const 528
+   i32.const 768
    i32.const 1164
    i32.const 64
    call $~lib/builtins/abort
@@ -2389,8 +2396,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 496
-   i32.const 736
+   i32.const 528
+   i32.const 768
    i32.const 1294
    i32.const 64
    call $~lib/builtins/abort
@@ -2419,8 +2426,8 @@
   call $~lib/staticarray/StaticArray<i32>#get:length
   i32.ge_u
   if
-   i32.const 496
-   i32.const 800
+   i32.const 528
+   i32.const 832
    i32.const 118
    i32.const 41
    call $~lib/builtins/abort
@@ -2454,8 +2461,8 @@
   call $~lib/staticarray/StaticArray<i32>#get:length
   i32.ge_u
   if
-   i32.const 496
-   i32.const 800
+   i32.const 528
+   i32.const 832
    i32.const 133
    i32.const 41
    call $~lib/builtins/abort
@@ -2507,8 +2514,8 @@
   i32.load offset=12
   i32.ge_u
   if
-   i32.const 496
-   i32.const 864
+   i32.const 528
+   i32.const 896
    i32.const 114
    i32.const 42
    call $~lib/builtins/abort
@@ -2592,8 +2599,8 @@
    i32.shr_u
    i32.gt_u
    if
-    i32.const 192
-    i32.const 864
+    i32.const 224
+    i32.const 896
     i32.const 19
     i32.const 48
     call $~lib/builtins/abort
@@ -2684,8 +2691,8 @@
    i32.const 0
    i32.lt_s
    if
-    i32.const 496
-    i32.const 864
+    i32.const 528
+    i32.const 896
     i32.const 130
     i32.const 22
     call $~lib/builtins/abort
@@ -2808,6 +2815,9 @@
  (func $bindings/esm/internrefFunction (param $0 i32) (param $1 i32) (result i32)
   local.get $0
  )
+ (func $bindings/esm/functionFunction (param $0 i32) (result i32)
+  local.get $0
+ )
  (func $~lib/rt/itcms/__pin (param $0 i32) (result i32)
   (local $1 i32)
   local.get $0
@@ -2821,8 +2831,8 @@
    i32.const 3
    i32.eq
    if
-    i32.const 912
-    i32.const 368
+    i32.const 944
+    i32.const 400
     i32.const 337
     i32.const 7
     call $~lib/builtins/abort
@@ -2853,8 +2863,8 @@
   i32.const 3
   i32.ne
   if
-   i32.const 976
-   i32.const 368
+   i32.const 1008
+   i32.const 400
    i32.const 351
    i32.const 5
    call $~lib/builtins/abort
@@ -2928,19 +2938,19 @@
  )
  (func $~lib/rt/__visit_globals (param $0 i32)
   (local $1 i32)
-  i32.const 496
+  i32.const 528
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 192
+  i32.const 224
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 304
+  i32.const 336
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 912
+  i32.const 944
   local.get $0
   call $~lib/rt/itcms/__visit
-  i32.const 976
+  i32.const 1008
   local.get $0
   call $~lib/rt/itcms/__visit
   global.get $bindings/esm/stringGlobal
@@ -2969,6 +2979,17 @@
    call $~lib/rt/itcms/__visit
   end
  )
+ (func $~lib/function/Function<%28%29=>void>#__visit (param $0 i32) (param $1 i32)
+  local.get $0
+  i32.load offset=4
+  local.get $1
+  call $~lib/rt/itcms/__visit
+ )
+ (func $~lib/function/Function<%28%29=>void>~visit (param $0 i32) (param $1 i32)
+  local.get $0
+  local.get $1
+  call $~lib/function/Function<%28%29=>void>#__visit
+ )
  (func $~lib/typedarray/Int16Array~visit (param $0 i32) (param $1 i32)
   local.get $0
   local.get $1
@@ -3092,22 +3113,28 @@
            block $~lib/typedarray/Uint64Array
             block $~lib/typedarray/Float32Array
              block $~lib/typedarray/Int16Array
-              block $~lib/arraybuffer/ArrayBufferView
-               block $~lib/string/String
-                block $~lib/arraybuffer/ArrayBuffer
-                 local.get $0
-                 i32.const 8
-                 i32.sub
-                 i32.load
-                 br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $~lib/arraybuffer/ArrayBufferView $~lib/typedarray/Int16Array $~lib/typedarray/Float32Array $~lib/typedarray/Uint64Array $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $~lib/array/Array<i32> $bindings/esm/PlainObject $~lib/typedarray/Uint8Array $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+              block $~lib/function/Function<%28%29=>void>
+               block $~lib/arraybuffer/ArrayBufferView
+                block $~lib/string/String
+                 block $~lib/arraybuffer/ArrayBuffer
+                  local.get $0
+                  i32.const 8
+                  i32.sub
+                  i32.load
+                  br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $~lib/arraybuffer/ArrayBufferView $~lib/function/Function<%28%29=>void> $~lib/typedarray/Int16Array $~lib/typedarray/Float32Array $~lib/typedarray/Uint64Array $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $~lib/array/Array<i32> $bindings/esm/PlainObject $~lib/typedarray/Uint8Array $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+                 end
+                 return
                 end
                 return
                end
+               local.get $0
+               local.get $1
+               call $~lib/arraybuffer/ArrayBufferView~visit
                return
               end
               local.get $0
               local.get $1
-              call $~lib/arraybuffer/ArrayBufferView~visit
+              call $~lib/function/Function<%28%29=>void>~visit
               return
              end
              local.get $0
@@ -3175,13 +3202,13 @@
   i32.const 1
   i32.shr_u
   global.set $~lib/rt/itcms/threshold
-  i32.const 416
+  i32.const 448
   call $~lib/rt/itcms/initLazy
   global.set $~lib/rt/itcms/pinSpace
-  i32.const 448
+  i32.const 480
   call $~lib/rt/itcms/initLazy
   global.set $~lib/rt/itcms/toSpace
-  i32.const 592
+  i32.const 624
   call $~lib/rt/itcms/initLazy
   global.set $~lib/rt/itcms/fromSpace
  )
@@ -3190,8 +3217,8 @@
   global.get $~lib/memory/__data_end
   i32.lt_s
   if
-   i32.const 17552
-   i32.const 17600
+   i32.const 17584
+   i32.const 17632
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -3208,7 +3235,7 @@
   global.get $~lib/memory/__stack_pointer
   i32.const 0
   i32.store
-  i32.const 96
+  i32.const 128
   local.set $0
   global.get $~lib/memory/__stack_pointer
   local.get $0
@@ -3221,7 +3248,7 @@
   f64.const 0
   f64.const 0
   call $~lib/builtins/trace
-  i32.const 128
+  i32.const 160
   local.set $0
   global.get $~lib/memory/__stack_pointer
   local.get $0
@@ -3257,8 +3284,8 @@
   i32.const 1073741820
   i32.gt_u
   if
-   i32.const 192
-   i32.const 240
+   i32.const 224
+   i32.const 272
    i32.const 52
    i32.const 43
    call $~lib/builtins/abort
@@ -3359,7 +3386,7 @@
   i32.const 0
   i32.eq
   if
-   i32.const 704
+   i32.const 736
    local.set $6
    global.get $~lib/memory/__stack_pointer
    i32.const 4
@@ -3463,8 +3490,8 @@
   i32.shr_u
   i32.gt_u
   if
-   i32.const 192
-   i32.const 240
+   i32.const 224
+   i32.const 272
    i32.const 19
    i32.const 57
    call $~lib/builtins/abort
@@ -3515,7 +3542,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 12
-   i32.const 5
+   i32.const 6
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -3635,8 +3662,8 @@
   i32.shr_u
   i32.gt_u
   if
-   i32.const 192
-   i32.const 800
+   i32.const 224
+   i32.const 832
    i32.const 91
    i32.const 60
    call $~lib/builtins/abort
@@ -3648,7 +3675,7 @@
   local.set $2
   global.get $~lib/memory/__stack_pointer
   local.get $2
-  i32.const 6
+  i32.const 7
   call $~lib/rt/itcms/__new
   local.tee $3
   i32.store
@@ -3763,7 +3790,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 16
-   i32.const 9
+   i32.const 10
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -3786,8 +3813,8 @@
   i32.shr_u
   i32.gt_u
   if
-   i32.const 192
-   i32.const 864
+   i32.const 224
+   i32.const 896
    i32.const 70
    i32.const 60
    call $~lib/builtins/abort
@@ -3929,7 +3956,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 68
-   i32.const 10
+   i32.const 11
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -4043,7 +4070,7 @@
   if
    global.get $~lib/memory/__stack_pointer
    i32.const 0
-   i32.const 13
+   i32.const 14
    call $~lib/rt/itcms/__new
    local.tee $0
    i32.store
@@ -4278,4 +4305,23 @@
   global.set $~lib/memory/__stack_pointer
   local.get $2
  )
+ (func $export:bindings/esm/functionFunction (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.sub
+  global.set $~lib/memory/__stack_pointer
+  call $~stack_check
+  global.get $~lib/memory/__stack_pointer
+  local.get $0
+  i32.store
+  local.get $0
+  call $bindings/esm/functionFunction
+  local.set $1
+  global.get $~lib/memory/__stack_pointer
+  i32.const 4
+  i32.add
+  global.set $~lib/memory/__stack_pointer
+  local.get $1
+ )
 )
diff --git a/tests/compiler/bindings/raw.release.d.ts b/tests/compiler/bindings/raw.release.d.ts
index 930fee4422..6a7a80544c 100644
--- a/tests/compiler/bindings/raw.release.d.ts
+++ b/tests/compiler/bindings/raw.release.d.ts
@@ -125,22 +125,33 @@ declare namespace __AdaptedExports {
    * @param b `bindings/esm/PlainObject`
    * @returns `bindings/esm/PlainObject`
    */
-  export function objectFunction(a: __Record10<undefined>, b: __Record10<undefined>): __Record10<never>;
+  export function objectFunction(a: __Record11<undefined>, b: __Record11<undefined>): __Record11<never>;
   /**
    * bindings/esm/newInternref
    * @returns `bindings/esm/NonPlainObject`
    */
-  export function newInternref(): __Internref13;
+  export function newInternref(): __Internref14;
   /**
    * bindings/esm/internrefFunction
    * @param a `bindings/esm/NonPlainObject`
    * @param b `bindings/esm/NonPlainObject`
    * @returns `bindings/esm/NonPlainObject`
    */
-  export function internrefFunction(a: __Internref13, b: __Internref13): __Internref13;
+  export function internrefFunction(a: __Internref14, b: __Internref14): __Internref14;
+  /**
+   * bindings/esm/functionFunction
+   * @param fn `() => void`
+   * @returns `() => void`
+   */
+  export function functionFunction(fn: __Internref3): __Internref3;
+  /** bindings/esm/fn */
+  export const fn: {
+    /** @type `() => void` */
+    get value(): __Internref3
+  };
 }
 /** bindings/esm/PlainObject */
-declare interface __Record10<TOmittable> {
+declare interface __Record11<TOmittable> {
   /** @type `i8` */
   a: number | TOmittable;
   /** @type `i16` */
@@ -175,8 +186,12 @@ declare interface __Record10<TOmittable> {
   p: Array<string> | null | TOmittable;
 }
 /** bindings/esm/NonPlainObject */
-declare class __Internref13 extends Number {
-  private __nominal13: symbol;
+declare class __Internref14 extends Number {
+  private __nominal14: symbol;
+}
+/** ~lib/function/Function<%28%29=>void> */
+declare class __Internref3 extends Number {
+  private __nominal3: symbol;
 }
 /** Instantiates the compiled WebAssembly module with the given imports. */
 export declare function instantiate(module: WebAssembly.Module, imports: {
diff --git a/tests/compiler/bindings/raw.release.js b/tests/compiler/bindings/raw.release.js
index 11516eb03f..88facf8735 100644
--- a/tests/compiler/bindings/raw.release.js
+++ b/tests/compiler/bindings/raw.release.js
@@ -127,8 +127,8 @@ export async function instantiate(module, imports = {}) {
     },
     typedarrayFunction(a, b) {
       // bindings/esm/typedarrayFunction(~lib/typedarray/Int16Array, ~lib/typedarray/Float32Array) => ~lib/typedarray/Uint64Array
-      a = __retain(__lowerTypedArray(Int16Array, 3, 1, a) || __notnull());
-      b = __lowerTypedArray(Float32Array, 4, 2, b) || __notnull();
+      a = __retain(__lowerTypedArray(Int16Array, 4, 1, a) || __notnull());
+      b = __lowerTypedArray(Float32Array, 5, 2, b) || __notnull();
       try {
         return __liftTypedArray(BigUint64Array, exports.typedarrayFunction(a, b) >>> 0);
       } finally {
@@ -137,8 +137,8 @@ export async function instantiate(module, imports = {}) {
     },
     staticarrayFunction(a, b) {
       // bindings/esm/staticarrayFunction(~lib/staticarray/StaticArray<i32>, ~lib/staticarray/StaticArray<i32>) => ~lib/staticarray/StaticArray<i32>
-      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, a, Int32Array) || __notnull());
-      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 6, 2, b, Int32Array) || __notnull();
+      a = __retain(__lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, a, Int32Array) || __notnull());
+      b = __lowerStaticArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 7, 2, b, Int32Array) || __notnull();
       try {
         return __liftStaticArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.staticarrayFunction(a, b) >>> 0);
       } finally {
@@ -147,18 +147,18 @@ export async function instantiate(module, imports = {}) {
     },
     staticarrayU16(a) {
       // bindings/esm/staticarrayU16(~lib/staticarray/StaticArray<u16>) => ~lib/staticarray/StaticArray<u16>
-      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 7, 1, a, Uint16Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new Uint16Array(memory.buffer)[pointer >>> 1] = value; }, 8, 1, a, Uint16Array) || __notnull();
       return __liftStaticArray(pointer => new Uint16Array(memory.buffer)[pointer >>> 1], 1, exports.staticarrayU16(a) >>> 0);
     },
     staticarrayI64(a) {
       // bindings/esm/staticarrayI64(~lib/staticarray/StaticArray<i64>) => ~lib/staticarray/StaticArray<i64>
-      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 8, 3, a, BigInt64Array) || __notnull();
+      a = __lowerStaticArray((pointer, value) => { new BigInt64Array(memory.buffer)[pointer >>> 3] = value || 0n; }, 9, 3, a, BigInt64Array) || __notnull();
       return __liftStaticArray(pointer => new BigInt64Array(memory.buffer)[pointer >>> 3], 3, exports.staticarrayI64(a) >>> 0);
     },
     arrayFunction(a, b) {
       // bindings/esm/arrayFunction(~lib/array/Array<i32>, ~lib/array/Array<i32>) => ~lib/array/Array<i32>
-      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, a) || __notnull());
-      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 9, 2, b) || __notnull();
+      a = __retain(__lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, a) || __notnull());
+      b = __lowerArray((pointer, value) => { new Int32Array(memory.buffer)[pointer >>> 2] = value; }, 10, 2, b) || __notnull();
       try {
         return __liftArray(pointer => new Int32Array(memory.buffer)[pointer >>> 2], 2, exports.arrayFunction(a, b) >>> 0);
       } finally {
@@ -167,10 +167,10 @@ export async function instantiate(module, imports = {}) {
     },
     objectFunction(a, b) {
       // bindings/esm/objectFunction(bindings/esm/PlainObject, bindings/esm/PlainObject) => bindings/esm/PlainObject
-      a = __retain(__lowerRecord10(a) || __notnull());
-      b = __lowerRecord10(b) || __notnull();
+      a = __retain(__lowerRecord11(a) || __notnull());
+      b = __lowerRecord11(b) || __notnull();
       try {
-        return __liftRecord10(exports.objectFunction(a, b) >>> 0);
+        return __liftRecord11(exports.objectFunction(a, b) >>> 0);
       } finally {
         __release(a);
       }
@@ -189,12 +189,24 @@ export async function instantiate(module, imports = {}) {
         __release(a);
       }
     },
+    functionFunction(fn) {
+      // bindings/esm/functionFunction(() => void) => () => void
+      fn = __lowerInternref(fn) || __notnull();
+      return __liftInternref(exports.functionFunction(fn) >>> 0);
+    },
+    fn: {
+      // bindings/esm/fn: () => void
+      valueOf() { return this.value; },
+      get value() {
+        return __liftInternref(exports.fn.value >>> 0);
+      }
+    },
   }, exports);
-  function __lowerRecord10(value) {
+  function __lowerRecord11(value) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lowering as a record by providing an empty constructor
     if (value == null) return 0;
-    const pointer = exports.__pin(exports.__new(68, 10));
+    const pointer = exports.__pin(exports.__new(68, 11));
     new Int8Array(memory.buffer)[pointer + 0 >>> 0] = value.a;
     new Int16Array(memory.buffer)[pointer + 2 >>> 1] = value.b;
     new Int32Array(memory.buffer)[pointer + 4 >>> 2] = value.c;
@@ -209,12 +221,12 @@ export async function instantiate(module, imports = {}) {
     new Float32Array(memory.buffer)[pointer + 44 >>> 2] = value.l;
     new Float64Array(memory.buffer)[pointer + 48 >>> 3] = value.m;
     new Uint32Array(memory.buffer)[pointer + 56 >>> 2] = __lowerString(value.n);
-    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 11, 0, value.o);
-    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 12, 2, value.p);
+    new Uint32Array(memory.buffer)[pointer + 60 >>> 2] = __lowerTypedArray(Uint8Array, 12, 0, value.o);
+    new Uint32Array(memory.buffer)[pointer + 64 >>> 2] = __lowerArray((pointer, value) => { new Uint32Array(memory.buffer)[pointer >>> 2] = __lowerString(value) || __notnull(); }, 13, 2, value.p);
     exports.__unpin(pointer);
     return pointer;
   }
-  function __liftRecord10(pointer) {
+  function __liftRecord11(pointer) {
     // bindings/esm/PlainObject
     // Hint: Opt-out from lifting as a record by providing an empty constructor
     if (!pointer) return null;
@@ -337,8 +349,8 @@ export async function instantiate(module, imports = {}) {
     exports.__unpin(buffer);
     return buffer;
   }
-  const registry = new FinalizationRegistry(__release);
   class Internref extends Number {}
+  const registry = new FinalizationRegistry(__release);
   function __liftInternref(pointer) {
     if (!pointer) return null;
     const sentinel = new Internref(__retain(pointer));
diff --git a/tests/compiler/bindings/raw.release.wat b/tests/compiler/bindings/raw.release.wat
index afafc3763b..92ff37695f 100644
--- a/tests/compiler/bindings/raw.release.wat
+++ b/tests/compiler/bindings/raw.release.wat
@@ -28,6 +28,7 @@
  (global $bindings/esm/ConstEnum.ONE i32 (i32.const 1))
  (global $bindings/esm/ConstEnum.TWO i32 (i32.const 2))
  (global $bindings/esm/ConstEnum.THREE i32 (i32.const 3))
+ (global $bindings/esm/fn i32 (i32.const 1120))
  (global $~lib/rt/itcms/total (mut i32) (i32.const 0))
  (global $~lib/rt/itcms/threshold (mut i32) (i32.const 0))
  (global $~lib/rt/itcms/state (mut i32) (i32.const 0))
@@ -39,8 +40,8 @@
  (global $~lib/rt/itcms/fromSpace (mut i32) (i32.const 0))
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
  (global $~argumentsLength (mut i32) (i32.const 0))
- (global $~lib/rt/__rtti_base i32 (i32.const 2048))
- (global $~lib/memory/__stack_pointer (mut i32) (i32.const 18548))
+ (global $~lib/rt/__rtti_base i32 (i32.const 2080))
+ (global $~lib/memory/__stack_pointer (mut i32) (i32.const 18588))
  (global $~started (mut i32) (i32.const 0))
  (memory $0 1)
  (data (i32.const 1036) "\1c")
@@ -48,38 +49,40 @@
  (data (i32.const 1068) "\1c")
  (data (i32.const 1080) "\01\00\00\00\02\00\00\00b")
  (data (i32.const 1100) "\1c")
- (data (i32.const 1112) "\01\00\00\00\n\00\00\00t\00r\00a\00c\00e")
- (data (i32.const 1132) "<")
- (data (i32.const 1144) "\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g")
- (data (i32.const 1196) ",")
- (data (i32.const 1208) "\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h")
- (data (i32.const 1244) "<")
- (data (i32.const 1256) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s")
- (data (i32.const 1308) "<")
- (data (i32.const 1320) "\01\00\00\00(\00\00\00A\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e")
- (data (i32.const 1372) "<")
- (data (i32.const 1384) "\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s")
- (data (i32.const 1500) "<")
- (data (i32.const 1512) "\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e")
- (data (i32.const 1564) ",")
- (data (i32.const 1576) "\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s")
- (data (i32.const 1644) "<")
- (data (i32.const 1656) "\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 1708) "\1c")
- (data (i32.const 1720) "\01")
- (data (i32.const 1740) "<")
- (data (i32.const 1752) "\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s")
- (data (i32.const 1804) "<")
- (data (i32.const 1816) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s")
- (data (i32.const 1868) ",")
- (data (i32.const 1880) "\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s")
- (data (i32.const 1916) "<")
- (data (i32.const 1928) "\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d")
- (data (i32.const 1980) "<")
- (data (i32.const 1992) "\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d")
- (data (i32.const 2048) "\0e\00\00\00 \00\00\00\00\00\00\00 ")
- (data (i32.const 2076) "\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t")
- (data (i32.const 2140) "A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 ")
+ (data (i32.const 1112) "\03\00\00\00\08\00\00\00\01")
+ (data (i32.const 1132) "\1c")
+ (data (i32.const 1144) "\01\00\00\00\n\00\00\00t\00r\00a\00c\00e")
+ (data (i32.const 1164) "<")
+ (data (i32.const 1176) "\01\00\00\00&\00\00\004\002\00 \00f\00r\00o\00m\00 \00c\00o\00n\00s\00o\00l\00e\00.\00l\00o\00g")
+ (data (i32.const 1228) ",")
+ (data (i32.const 1240) "\01\00\00\00\1c\00\00\00I\00n\00v\00a\00l\00i\00d\00 \00l\00e\00n\00g\00t\00h")
+ (data (i32.const 1276) "<")
+ (data (i32.const 1288) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s")
+ (data (i32.const 1340) "<")
+ (data (i32.const 1352) "\01\00\00\00(\00\00\00A\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e")
+ (data (i32.const 1404) "<")
+ (data (i32.const 1416) "\01\00\00\00 \00\00\00~\00l\00i\00b\00/\00r\00t\00/\00i\00t\00c\00m\00s\00.\00t\00s")
+ (data (i32.const 1532) "<")
+ (data (i32.const 1544) "\01\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e")
+ (data (i32.const 1596) ",")
+ (data (i32.const 1608) "\01\00\00\00\14\00\00\00~\00l\00i\00b\00/\00r\00t\00.\00t\00s")
+ (data (i32.const 1676) "<")
+ (data (i32.const 1688) "\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 1740) "\1c")
+ (data (i32.const 1752) "\01")
+ (data (i32.const 1772) "<")
+ (data (i32.const 1784) "\01\00\00\00$\00\00\00~\00l\00i\00b\00/\00t\00y\00p\00e\00d\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 1836) "<")
+ (data (i32.const 1848) "\01\00\00\00&\00\00\00~\00l\00i\00b\00/\00s\00t\00a\00t\00i\00c\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 1900) ",")
+ (data (i32.const 1912) "\01\00\00\00\1a\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s")
+ (data (i32.const 1948) "<")
+ (data (i32.const 1960) "\01\00\00\00*\00\00\00O\00b\00j\00e\00c\00t\00 \00a\00l\00r\00e\00a\00d\00y\00 \00p\00i\00n\00n\00e\00d")
+ (data (i32.const 2012) "<")
+ (data (i32.const 2024) "\01\00\00\00(\00\00\00O\00b\00j\00e\00c\00t\00 \00i\00s\00 \00n\00o\00t\00 \00p\00i\00n\00n\00e\00d")
+ (data (i32.const 2080) "\0f\00\00\00 \00\00\00\00\00\00\00 ")
+ (data (i32.const 2116) "\81\08\00\00\02\00\00\00\01\19\00\00\02\00\00\00\01\02\00\00\02\00\00\00$\t\00\00\00\00\00\00\a4\00\00\00\00\00\00\00$\n\00\00\00\00\00\00\02\t")
+ (data (i32.const 2180) "A\00\00\00\02\00\00\00\02A\00\00\00\00\00\00 ")
  (export "plainGlobal" (global $bindings/esm/plainGlobal))
  (export "plainMutableGlobal" (global $bindings/esm/plainMutableGlobal))
  (export "stringGlobal" (global $bindings/esm/stringGlobal))
@@ -95,6 +98,7 @@
  (export "getMaxUnsigned32" (func $bindings/esm/getMaxUnsigned32))
  (export "getMaxUnsigned64" (func $bindings/esm/getMaxUnsigned64))
  (export "newInternref" (func $bindings/esm/newInternref))
+ (export "fn" (global $bindings/esm/fn))
  (export "__new" (func $~lib/rt/itcms/__new))
  (export "__pin" (func $~lib/rt/itcms/__pin))
  (export "__unpin" (func $~lib/rt/itcms/__unpin))
@@ -113,6 +117,7 @@
  (export "arrayFunction" (func $export:bindings/esm/arrayFunction))
  (export "objectFunction" (func $export:bindings/esm/objectFunction))
  (export "internrefFunction" (func $export:bindings/esm/internrefFunction))
+ (export "functionFunction" (func $export:bindings/esm/staticarrayU16))
  (func $bindings/esm/plainFunction (param $0 i32) (param $1 i32) (result i32)
   local.get $0
   local.get $1
@@ -132,15 +137,15 @@
  (func $~lib/rt/itcms/visitRoots
   (local $0 i32)
   (local $1 i32)
-  i32.const 1520
+  i32.const 1552
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 1216
+  i32.const 1248
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 1328
+  i32.const 1360
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 1936
+  i32.const 1968
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
-  i32.const 2000
+  i32.const 2032
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
   i32.const 1056
   call $byn-split-outlined-A$~lib/rt/itcms/__visit
@@ -169,7 +174,7 @@
     i32.ne
     if
      i32.const 0
-     i32.const 1392
+     i32.const 1424
      i32.const 159
      i32.const 16
      call $~lib/builtins/abort
@@ -199,7 +204,7 @@
   if
    i32.const 0
    local.get $0
-   i32.const 18548
+   i32.const 18588
    i32.lt_u
    local.get $0
    i32.load offset=8
@@ -207,7 +212,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1392
+    i32.const 1424
     i32.const 127
     i32.const 18
     call $~lib/builtins/abort
@@ -221,7 +226,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1392
+   i32.const 1424
    i32.const 131
    i32.const 16
    call $~lib/builtins/abort
@@ -253,7 +258,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1392
+    i32.const 1424
     i32.const 147
     i32.const 30
     call $~lib/builtins/abort
@@ -275,12 +280,12 @@
    i32.const 1
   else
    local.get $2
-   i32.const 2048
+   i32.const 2080
    i32.load
    i32.gt_u
    if
-    i32.const 1520
-    i32.const 1584
+    i32.const 1552
+    i32.const 1616
     i32.const 22
     i32.const 28
     call $~lib/builtins/abort
@@ -289,7 +294,7 @@
    local.get $2
    i32.const 3
    i32.shl
-   i32.const 2052
+   i32.const 2084
    i32.add
    i32.load
    i32.const 32
@@ -336,7 +341,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 268
    i32.const 14
    call $~lib/builtins/abort
@@ -350,7 +355,7 @@
   i32.lt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 270
    i32.const 14
    call $~lib/builtins/abort
@@ -396,7 +401,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 284
    i32.const 14
    call $~lib/builtins/abort
@@ -486,7 +491,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 201
    i32.const 14
    call $~lib/builtins/abort
@@ -500,7 +505,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 203
    i32.const 14
    call $~lib/builtins/abort
@@ -561,7 +566,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 221
     i32.const 16
     call $~lib/builtins/abort
@@ -594,7 +599,7 @@
   i32.lt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 233
    i32.const 14
    call $~lib/builtins/abort
@@ -609,7 +614,7 @@
   i32.ne
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 234
    i32.const 14
    call $~lib/builtins/abort
@@ -660,7 +665,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 251
    i32.const 14
    call $~lib/builtins/abort
@@ -730,7 +735,7 @@
   i32.gt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 377
    i32.const 14
    call $~lib/builtins/abort
@@ -755,7 +760,7 @@
    i32.gt_u
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 384
     i32.const 16
     call $~lib/builtins/abort
@@ -783,7 +788,7 @@
    i32.gt_u
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 397
     i32.const 5
     call $~lib/builtins/abort
@@ -854,10 +859,10 @@
   if
    unreachable
   end
-  i32.const 18560
+  i32.const 18592
   i32.const 0
   i32.store
-  i32.const 20128
+  i32.const 20160
   i32.const 0
   i32.store
   loop $for-loop|0
@@ -868,7 +873,7 @@
     local.get $0
     i32.const 2
     i32.shl
-    i32.const 18560
+    i32.const 18592
     i32.add
     i32.const 0
     i32.store offset=4
@@ -886,7 +891,7 @@
       i32.add
       i32.const 2
       i32.shl
-      i32.const 18560
+      i32.const 18592
       i32.add
       i32.const 0
       i32.store offset=96
@@ -904,13 +909,13 @@
     br $for-loop|0
    end
   end
-  i32.const 18560
-  i32.const 20132
+  i32.const 18592
+  i32.const 20164
   memory.size
   i32.const 16
   i32.shl
   call $~lib/rt/tlsf/addMemory
-  i32.const 18560
+  i32.const 18592
   global.set $~lib/rt/tlsf/ROOT
  )
  (func $~lib/rt/itcms/step (result i32)
@@ -995,7 +1000,7 @@
      local.set $0
      loop $while-continue|0
       local.get $0
-      i32.const 18548
+      i32.const 18588
       i32.lt_u
       if
        local.get $0
@@ -1088,14 +1093,14 @@
     i32.ne
     if
      i32.const 0
-     i32.const 1392
+     i32.const 1424
      i32.const 228
      i32.const 20
      call $~lib/builtins/abort
      unreachable
     end
     local.get $0
-    i32.const 18548
+    i32.const 18588
     i32.lt_u
     if
      local.get $0
@@ -1118,7 +1123,7 @@
      i32.const 4
      i32.add
      local.tee $0
-     i32.const 18548
+     i32.const 18588
      i32.ge_u
      if
       global.get $~lib/rt/tlsf/ROOT
@@ -1147,7 +1152,7 @@
       end
       if
        i32.const 0
-       i32.const 1664
+       i32.const 1696
        i32.const 559
        i32.const 3
        call $~lib/builtins/abort
@@ -1230,7 +1235,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 330
    i32.const 14
    call $~lib/builtins/abort
@@ -1282,7 +1287,7 @@
     i32.eqz
     if
      i32.const 0
-     i32.const 1664
+     i32.const 1696
      i32.const 343
      i32.const 18
      call $~lib/builtins/abort
@@ -1314,8 +1319,8 @@
   i32.const 1073741804
   i32.ge_u
   if
-   i32.const 1328
-   i32.const 1392
+   i32.const 1360
+   i32.const 1424
    i32.const 260
    i32.const 31
    call $~lib/builtins/abort
@@ -1380,8 +1385,8 @@
   i32.const 1073741820
   i32.gt_u
   if
-   i32.const 1328
-   i32.const 1664
+   i32.const 1360
+   i32.const 1696
    i32.const 458
    i32.const 29
    call $~lib/builtins/abort
@@ -1471,7 +1476,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 1664
+    i32.const 1696
     i32.const 496
     i32.const 16
     call $~lib/builtins/abort
@@ -1486,7 +1491,7 @@
   i32.gt_u
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 498
    i32.const 14
    call $~lib/builtins/abort
@@ -1505,7 +1510,7 @@
   i32.and
   if
    i32.const 0
-   i32.const 1664
+   i32.const 1696
    i32.const 357
    i32.const 14
    call $~lib/builtins/abort
@@ -1619,11 +1624,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -1659,7 +1664,7 @@
     i32.const 4
     i32.add
     global.set $~lib/memory/__stack_pointer
-    i32.const 1728
+    i32.const 1760
     local.set $2
     br $__inlined_func$~lib/string/String#concat
    end
@@ -1694,8 +1699,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1760
+   i32.const 1552
+   i32.const 1792
    i32.const 1164
    i32.const 64
    call $~lib/builtins/abort
@@ -1720,8 +1725,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1824
+   i32.const 1552
+   i32.const 1856
    i32.const 118
    i32.const 41
    call $~lib/builtins/abort
@@ -1744,8 +1749,8 @@
   i32.shr_u
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1824
+   i32.const 1552
+   i32.const 1856
    i32.const 133
    i32.const 41
    call $~lib/builtins/abort
@@ -1765,8 +1770,8 @@
   i32.load offset=12
   i32.ge_u
   if
-   i32.const 1520
-   i32.const 1888
+   i32.const 1552
+   i32.const 1920
    i32.const 114
    i32.const 42
    call $~lib/builtins/abort
@@ -1794,8 +1799,8 @@
    i32.const 0
    i32.lt_s
    if
-    i32.const 1520
-    i32.const 1888
+    i32.const 1552
+    i32.const 1920
     i32.const 130
     i32.const 22
     call $~lib/builtins/abort
@@ -1816,8 +1821,8 @@
     i32.const 268435455
     i32.gt_u
     if
-     i32.const 1216
-     i32.const 1888
+     i32.const 1248
+     i32.const 1920
      i32.const 19
      i32.const 48
      call $~lib/builtins/abort
@@ -1927,11 +1932,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -1943,7 +1948,7 @@
   i32.store
   local.get $0
   i32.const 0
-  i32.const 13
+  i32.const 14
   call $~lib/rt/itcms/__new
   local.tee $0
   i32.store
@@ -1969,8 +1974,8 @@
    i32.const 3
    i32.eq
    if
-    i32.const 1936
-    i32.const 1392
+    i32.const 1968
+    i32.const 1424
     i32.const 337
     i32.const 7
     call $~lib/builtins/abort
@@ -2022,8 +2027,8 @@
   i32.const 3
   i32.ne
   if
-   i32.const 2000
-   i32.const 1392
+   i32.const 2032
+   i32.const 1424
    i32.const 351
    i32.const 5
    call $~lib/builtins/abort
@@ -2111,16 +2116,26 @@
         block $~lib/staticarray/StaticArray<i64>
          block $~lib/staticarray/StaticArray<u16>
           block $~lib/staticarray/StaticArray<i32>
-           block $~lib/string/String
-            block $~lib/arraybuffer/ArrayBuffer
-             local.get $0
-             i32.const 8
-             i32.sub
-             i32.load
-             br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $folding-inner1 $folding-inner0 $folding-inner0 $folding-inner0 $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $folding-inner1 $bindings/esm/PlainObject $folding-inner0 $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+           block $~lib/function/Function<%28%29=>void>
+            block $~lib/string/String
+             block $~lib/arraybuffer/ArrayBuffer
+              local.get $0
+              i32.const 8
+              i32.sub
+              i32.load
+              br_table $~lib/arraybuffer/ArrayBuffer $~lib/string/String $folding-inner1 $~lib/function/Function<%28%29=>void> $folding-inner0 $folding-inner0 $folding-inner0 $~lib/staticarray/StaticArray<i32> $~lib/staticarray/StaticArray<u16> $~lib/staticarray/StaticArray<i64> $folding-inner1 $bindings/esm/PlainObject $folding-inner0 $~lib/array/Array<~lib/string/String> $bindings/esm/NonPlainObject $invalid
+             end
+             return
             end
             return
            end
+           local.get $0
+           i32.load offset=4
+           local.tee $0
+           if
+            local.get $0
+            call $byn-split-outlined-A$~lib/rt/itcms/__visit
+           end
            return
           end
           return
@@ -2220,11 +2235,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -2235,9 +2250,9 @@
   i32.const 0
   i32.store
   local.get $0
-  i32.const 1120
+  i32.const 1152
   i32.store
-  i32.const 1120
+  i32.const 1152
   i32.const 1
   f64.const 42
   f64.const 0
@@ -2246,9 +2261,9 @@
   f64.const 0
   call $~lib/builtins/trace
   global.get $~lib/memory/__stack_pointer
-  i32.const 1152
+  i32.const 1184
   i32.store
-  i32.const 1152
+  i32.const 1184
   call $~lib/bindings/dom/console.log
   global.get $~lib/bindings/dom/Math.E
   call $~lib/bindings/dom/Math.log
@@ -2262,19 +2277,11 @@
   memory.size
   i32.const 16
   i32.shl
-  i32.const 18548
+  i32.const 18588
   i32.sub
   i32.const 1
   i32.shr_u
   global.set $~lib/rt/itcms/threshold
-  i32.const 1444
-  i32.const 1440
-  i32.store
-  i32.const 1448
-  i32.const 1440
-  i32.store
-  i32.const 1440
-  global.set $~lib/rt/itcms/pinSpace
   i32.const 1476
   i32.const 1472
   i32.store
@@ -2282,14 +2289,22 @@
   i32.const 1472
   i32.store
   i32.const 1472
+  global.set $~lib/rt/itcms/pinSpace
+  i32.const 1508
+  i32.const 1504
+  i32.store
+  i32.const 1512
+  i32.const 1504
+  i32.store
+  i32.const 1504
   global.set $~lib/rt/itcms/toSpace
-  i32.const 1620
-  i32.const 1616
+  i32.const 1652
+  i32.const 1648
   i32.store
-  i32.const 1624
-  i32.const 1616
+  i32.const 1656
+  i32.const 1648
   i32.store
-  i32.const 1616
+  i32.const 1648
   global.set $~lib/rt/itcms/fromSpace
  )
  (func $export:bindings/esm/bufferFunction (param $0 i32) (param $1 i32) (result i32)
@@ -2303,7 +2318,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner0
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2318,7 +2333,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2342,7 +2357,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2352,8 +2367,8 @@
    i32.const 1073741820
    i32.gt_u
    if
-    i32.const 1216
-    i32.const 1264
+    i32.const 1248
+    i32.const 1296
     i32.const 52
     i32.const 43
     call $~lib/builtins/abort
@@ -2393,8 +2408,8 @@
    local.get $5
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2407,11 +2422,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -2440,7 +2455,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner0
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2455,7 +2470,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner0
    global.get $~lib/memory/__stack_pointer
@@ -2490,8 +2505,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2509,7 +2524,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2524,7 +2539,7 @@
    i32.sub
    global.set $~lib/memory/__stack_pointer
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2549,7 +2564,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner00
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner00
      global.get $~lib/memory/__stack_pointer
@@ -2558,7 +2573,7 @@
      i32.store
      local.get $2
      i32.const 12
-     i32.const 5
+     i32.const 6
      call $~lib/rt/itcms/__new
      local.tee $2
      i32.store
@@ -2568,7 +2583,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner00
      global.get $~lib/memory/__stack_pointer
@@ -2597,8 +2612,8 @@
      i32.const 134217727
      i32.gt_u
      if
-      i32.const 1216
-      i32.const 1264
+      i32.const 1248
+      i32.const 1296
       i32.const 19
       i32.const 57
       call $~lib/builtins/abort
@@ -2661,8 +2676,8 @@
      i32.shr_u
      i32.ge_u
      if
-      i32.const 1520
-      i32.const 1760
+      i32.const 1552
+      i32.const 1792
       i32.const 448
       i32.const 64
       call $~lib/builtins/abort
@@ -2709,8 +2724,8 @@
      i32.shr_u
      i32.ge_u
      if
-      i32.const 1520
-      i32.const 1760
+      i32.const 1552
+      i32.const 1792
       i32.const 1294
       i32.const 64
       call $~lib/builtins/abort
@@ -2745,8 +2760,8 @@
    local.get $2
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2762,7 +2777,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2779,7 +2794,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner0
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2805,7 +2820,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2815,8 +2830,8 @@
      i32.const 268435455
      i32.gt_u
      if
-      i32.const 1216
-      i32.const 1824
+      i32.const 1248
+      i32.const 1856
       i32.const 91
       i32.const 60
       call $~lib/builtins/abort
@@ -2826,7 +2841,7 @@
      local.get $4
      i32.const 2
      i32.shl
-     i32.const 6
+     i32.const 7
      call $~lib/rt/itcms/__new
      local.tee $4
      i32.store
@@ -2907,8 +2922,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -2921,11 +2936,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -2953,7 +2968,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -2972,7 +2987,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner0
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2990,7 +3005,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -2999,7 +3014,7 @@
      i64.store
      local.get $0
      i32.const 16
-     i32.const 9
+     i32.const 10
      call $~lib/rt/itcms/__new
      local.tee $2
      i32.store
@@ -3019,8 +3034,8 @@
      i32.const 268435455
      i32.gt_u
      if
-      i32.const 1216
-      i32.const 1888
+      i32.const 1248
+      i32.const 1920
       i32.const 70
       i32.const 60
       call $~lib/builtins/abort
@@ -3125,8 +3140,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -3141,7 +3156,7 @@
   global.set $~lib/memory/__stack_pointer
   block $folding-inner1
    global.get $~lib/memory/__stack_pointer
-   i32.const 2164
+   i32.const 2204
    i32.lt_s
    br_if $folding-inner1
    global.get $~lib/memory/__stack_pointer
@@ -3158,7 +3173,7 @@
     global.set $~lib/memory/__stack_pointer
     block $folding-inner0
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -3170,7 +3185,7 @@
      i32.sub
      global.set $~lib/memory/__stack_pointer
      global.get $~lib/memory/__stack_pointer
-     i32.const 2164
+     i32.const 2204
      i32.lt_s
      br_if $folding-inner0
      global.get $~lib/memory/__stack_pointer
@@ -3179,7 +3194,7 @@
      i32.store
      local.get $3
      i32.const 68
-     i32.const 10
+     i32.const 11
      call $~lib/rt/itcms/__new
      local.tee $3
      i32.store
@@ -3267,8 +3282,8 @@
    global.set $~lib/memory/__stack_pointer
    return
   end
-  i32.const 18576
-  i32.const 18624
+  i32.const 18608
+  i32.const 18656
   i32.const 1
   i32.const 1
   call $~lib/builtins/abort
@@ -3281,11 +3296,11 @@
   i32.sub
   global.set $~lib/memory/__stack_pointer
   global.get $~lib/memory/__stack_pointer
-  i32.const 2164
+  i32.const 2204
   i32.lt_s
   if
-   i32.const 18576
-   i32.const 18624
+   i32.const 18608
+   i32.const 18656
    i32.const 1
    i32.const 1
    call $~lib/builtins/abort
@@ -3328,7 +3343,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 1392
+   i32.const 1424
    i32.const 294
    i32.const 14
    call $~lib/builtins/abort