[wasm] asm.js - Check stdlib.NaN is valid, prepare for the rest.

test/mjsunit/wasm/asm-wasm-heap.js

 // Copyright 2016 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
 
 const stdlib = {
   Math: Math,
   Int8Array: Int8Array,
   Int16Array: Int16Array,
@@ skipping 49 matching lines @@
 
   var js_module = eval("(" + nonasm_source + ")")(stdlib, {}, buffer);
   print("Testing " + asmfunc.name + " (js)...");
   expect(js_module);
 
   print("Testing " + asmfunc.name + " (asm.js)...");
   var asm_module = asmfunc(stdlib, {}, buffer);
   expect(asm_module);
 
   print("Testing " + asmfunc.name + " (wasm)...");
-  var wasm_module = Wasm.instantiateModuleFromAsm(asm_source, null, buffer);
+  var wasm_module = Wasm.instantiateModuleFromAsm(
+      asm_source, stdlib, null, buffer);
   expect(wasm_module);
 }
 
 function LoadAt_i32(stdlib, foreign, buffer) {
   "use asm";
   var HEAP32 = new stdlib.Int32Array(buffer);
   function load(a) {
     a = a | 0;
     return HEAP32[a >> 2] | 0;
   }
@@ skipping 149 matching lines @@
 
 RunThreeWayTest(LoadAt_f64, function(module) {
   var load = module.load;
   for (index of OOB_INDEXES) assertEquals(NaN, load(index));
   checkView(new Float64Array(buffer), load, 3);
 });
 
 // TODO(titzer): constant heap indexes
 // TODO(titzer): heap accesses with offsets and arithmetic
 // TODO(titzer): [i >> K] where K is greater than log(size)