Fix TypedArray Property optimizations

src/js/typedarray.js

 // Copyright 2013 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 50 matching lines @@
 FUNCTION(8, Float64Array, 8)
 FUNCTION(9, Uint8ClampedArray, 1)
 endmacro
 
 macro DECLARE_GLOBALS(INDEX, NAME, SIZE)
 var GlobalNAME = global.NAME;
 endmacro
 
 TYPED_ARRAYS(DECLARE_GLOBALS)
 
+var TypedArray = %object_get_prototype_of(GlobalUint8Array);
+
 utils.Import(function(from) {
   ArrayValues = from.ArrayValues;
   GetIterator = from.GetIterator;
   GetMethod = from.GetMethod;
   InnerArrayCopyWithin = from.InnerArrayCopyWithin;
   InnerArrayEvery = from.InnerArrayEvery;
   InnerArrayFill = from.InnerArrayFill;
   InnerArrayFilter = from.InnerArrayFilter;
   InnerArrayFind = from.InnerArrayFind;
   InnerArrayFindIndex = from.InnerArrayFindIndex;
@@ skipping 720 matching lines @@
       mappedValue = %_Call(mapfn, thisArg, value, i);
     } else {
       mappedValue = value;
     }
     targetObject[i] = mappedValue;
   }
   return targetObject;
 }
 %FunctionSetLength(TypedArrayFrom, 1);
 
-function TypedArray() {
+function TypedArrayConstructor() {
   if (IS_UNDEFINED(new.target)) {
     throw MakeTypeError(kConstructorNonCallable, "TypedArray");
   }
   if (new.target === TypedArray) {
     throw MakeTypeError(kConstructAbstractClass, "TypedArray");
   }
 }
 
 // -------------------------------------------------------------------
 
-%FunctionSetPrototype(TypedArray, new GlobalObject());
+%SetCode(TypedArray, TypedArrayConstructor);
 %AddNamedProperty(TypedArray.prototype,
                   "constructor", TypedArray, DONT_ENUM);
+
 utils.InstallFunctions(TypedArray, DONT_ENUM, [
   "from", TypedArrayFrom,
   "of", TypedArrayOf
 ]);
 utils.InstallGetter(TypedArray.prototype, "buffer", TypedArrayGetBuffer);
 utils.InstallGetter(TypedArray.prototype, "byteOffset", TypedArrayGetByteOffset,
                     DONT_ENUM | DONT_DELETE);
 utils.InstallGetter(TypedArray.prototype, "byteLength",
                     TypedArrayGetByteLength, DONT_ENUM | DONT_DELETE);
 utils.InstallGetter(TypedArray.prototype, "length", TypedArrayGetLength,
@@ skipping 144 matching lines @@
   "setUint32", DataViewSetUint32JS,
 
   "getFloat32", DataViewGetFloat32JS,
   "setFloat32", DataViewSetFloat32JS,
 
   "getFloat64", DataViewGetFloat64JS,
   "setFloat64", DataViewSetFloat64JS
 ]);
 
 })