| Index: test/mjsunit/wasm/instantiate-module-basic.js | 
| diff --git a/test/mjsunit/wasm/instantiate-module-basic.js b/test/mjsunit/wasm/instantiate-module-basic.js | 
| index 04fc903010db1b17935e374df2f72820d92488df..b83e8131890a3f929165d42820178d0cb2054226 100644 | 
| --- a/test/mjsunit/wasm/instantiate-module-basic.js | 
| +++ b/test/mjsunit/wasm/instantiate-module-basic.js | 
| @@ -31,14 +31,17 @@ function CheckInstance(instance) { | 
| assertFalse(mem === null); | 
| assertFalse(mem === 0); | 
| assertEquals("object", typeof mem); | 
| -  assertTrue(mem instanceof ArrayBuffer); | 
| -  for (let i = 0; i < 4; i++) { | 
| +  assertTrue(mem instanceof WebAssembly.Memory); | 
| +  var buf = mem.buffer; | 
| +  assertTrue(buf instanceof ArrayBuffer); | 
| +  assertEquals(65536, buf.byteLength); | 
| +  for (var i = 0; i < 4; i++) { | 
| instance.exports.memory = 0;  // should be ignored | 
| +    mem.buffer = 0; // should be ignored | 
| assertSame(mem, instance.exports.memory); | 
| +    assertSame(buf, mem.buffer); | 
| } | 
|  | 
| -  assertEquals(65536, instance.exports.memory.byteLength); | 
| - | 
| // Check the properties of the main function. | 
| let main = instance.exports.main; | 
| assertFalse(main === undefined); | 
| @@ -61,6 +64,7 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
|  | 
| // Negative tests. | 
| (function InvalidModules() { | 
| +  print("InvalidModules..."); | 
| let invalid_cases = [undefined, 1, "", "a", {some:1, obj: "b"}]; | 
| let len = invalid_cases.length; | 
| for (var i = 0; i < len; ++i) { | 
| @@ -75,9 +79,10 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
|  | 
| // Compile async an invalid blob. | 
| (function InvalidBinaryAsyncCompilation() { | 
| +  print("InvalidBinaryAsyncCompilation..."); | 
| let builder = new WasmModuleBuilder(); | 
| builder.addFunction("f", kSig_i_i) | 
| -    .addBody([kExprCallImport, kArity0, 0]); | 
| +    .addBody([kExprCallFunction, 0]); | 
| let promise = WebAssembly.compile(builder.toBuffer()); | 
| promise | 
| .then(compiled => | 
| @@ -87,6 +92,7 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
|  | 
| // Multiple instances tests. | 
| (function ManyInstances() { | 
| +  print("ManyInstances..."); | 
| let compiled_module = new WebAssembly.Module(buffer); | 
| let instance_1 = new WebAssembly.Instance(compiled_module); | 
| let instance_2 = new WebAssembly.Instance(compiled_module); | 
| @@ -94,6 +100,7 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
| })(); | 
|  | 
| (function ManyInstancesAsync() { | 
| +  print("ManyInstancesAsync..."); | 
| let promise = WebAssembly.compile(buffer); | 
| promise.then(compiled_module => { | 
| let instance_1 = new WebAssembly.Instance(compiled_module); | 
| @@ -103,6 +110,7 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
| })(); | 
|  | 
| (function InstancesAreIsolatedFromEachother() { | 
| +  print("InstancesAreIsolatedFromEachother..."); | 
| var builder = new WasmModuleBuilder(); | 
| builder.addMemory(1,1, true); | 
| var kSig_v_i = makeSig([kAstI32], []); | 
| @@ -112,13 +120,13 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
|  | 
| builder.addFunction("main", kSig_i_i) | 
| .addBody([ | 
| -      kExprI32Const, 1, | 
| kExprGetLocal, 0, | 
| kExprI32LoadMem, 0, 0, | 
| -      kExprCallIndirect, kArity1, signature, | 
| +      kExprI32Const, 1, | 
| +      kExprCallIndirect, signature, | 
| kExprGetLocal,0, | 
| kExprI32LoadMem,0, 0, | 
| -      kExprCallImport, kArity0, 0, | 
| +      kExprCallFunction, 0, | 
| kExprI32Add | 
| ]).exportFunc(); | 
|  | 
| @@ -127,8 +135,8 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
| builder.addFunction("_wrap_writer", signature) | 
| .addBody([ | 
| kExprGetLocal, 0, | 
| -      kExprCallImport, kArity1, 1]); | 
| -  builder.appendToTable([0, 1]); | 
| +      kExprCallFunction, 1]); | 
| +  builder.appendToTable([2, 3]); | 
|  | 
|  | 
| var module = new WebAssembly.Module(builder.toBuffer()); | 
| @@ -155,6 +163,7 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
| })(); | 
|  | 
| (function GlobalsArePrivateToTheInstance() { | 
| +  print("GlobalsArePrivateToTheInstance..."); | 
| var builder = new WasmModuleBuilder(); | 
| builder.addGlobal(kAstI32); | 
| builder.addFunction("read", kSig_i_v) | 
| @@ -179,6 +188,7 @@ promise.then(module => CheckInstance(new WebAssembly.Instance(module))); | 
|  | 
|  | 
| (function InstanceMemoryIsIsolated() { | 
| +  print("InstanceMemoryIsIsolated..."); | 
| var builder = new WasmModuleBuilder(); | 
| builder.addMemory(1,1, true); | 
|  | 
|  |