[wasm] Master CL for Binary 0xC changes.

test/mjsunit/wasm/calls.js

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --expose-wasm
 
 load("test/mjsunit/wasm/wasm-constants.js");
 load("test/mjsunit/wasm/wasm-module-builder.js");
 
 function assertModule(module, memsize) {
   // Check the module exists.
   assertFalse(module === undefined);
   assertFalse(module === null);
   assertFalse(module === 0);
   assertEquals("object", typeof module);
 
   // Check the memory is an ArrayBuffer.
   var mem = module.exports.memory;
   assertFalse(mem === undefined);
   assertFalse(mem === null);
   assertFalse(mem === 0);
   assertEquals("object", typeof mem);
-  assertTrue(mem instanceof ArrayBuffer);
+  assertTrue(mem instanceof WebAssembly.Memory);
+  var buf = mem.buffer;
+  assertTrue(buf instanceof ArrayBuffer);
+  assertEquals(memsize, buf.byteLength);
   for (var i = 0; i < 4; i++) {
     module.exports.memory = 0;  // should be ignored
-    assertEquals(mem, module.exports.memory);
+    mem.buffer = 0; // should be ignored
+    assertSame(mem, module.exports.memory);
+    assertSame(buf, mem.buffer);
   }
-
-  assertEquals(memsize, module.exports.memory.byteLength);
 }
 
 function assertFunction(module, func) {
   assertEquals("object", typeof module.exports);
 
   var exp = module.exports[func];
   assertFalse(exp === undefined);
   assertFalse(exp === null);
   assertFalse(exp === 0);
   assertEquals("function", typeof exp);
@@ skipping 56 matching lines @@
     .exportFunc();
 
   var module = builder.instantiate();
   assertModule(module, kPageSize * kPages);
 
   var flt = assertFunction(module, "flt");
   assertEquals(1, flt(-2, -1));
   assertEquals(0, flt(7.3, 7.1));
   assertEquals(1, flt(7.1, 7.3));
 })();