Add mirror debugger support for SIMD.float32x4.

src/prologue.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.
 
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 191 matching lines @@
     "IsNaN",
     "MathMax",
     "MathMin",
     "ObjectIsFrozen",
     "ObjectDefineProperty",
     "OwnPropertyKeys",
     "ToNameArray",
     "ToBoolean",
     "ToNumber",
     "ToString",
+    "Float32x4ToString",
+    "Int32x4ToString",
+    "Int16x8ToString",
+    "Int8x16ToString",
+    "Uint32x4ToString",
+    "Uint16x8ToString",
+    "Uint8x16ToString",
+    "Bool32x4ToString",
+    "Bool16x8ToString",
+    "Bool8x16ToString",
   ];
 
   var filtered_exports = {};
   %OptimizeObjectForAddingMultipleProperties(
       filtered_exports, expose_list.length);
   for (var key of expose_list) {
     filtered_exports[key] = exports_container[key];
   }
   %ToFastProperties(filtered_exports);
   exports_container = filtered_exports;
@@ skipping 60 matching lines @@
 utils.InstallGetter = InstallGetter;
 utils.InstallGetterSetter = InstallGetterSetter;
 utils.SetUpLockedPrototype = SetUpLockedPrototype;
 utils.PostNatives = PostNatives;
 utils.PostExperimentals = PostExperimentals;
 utils.PostDebug = PostDebug;
 
 %ToFastProperties(utils);
 
 })