Use new.target in favor of %_IsConstructCall intrinsic (2).

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 185 matching lines @@
   // TODO(littledan): Computed properties don't work yet in nosnap.
   // Rephrase when they do.
   newIterable[iteratorSymbol] = function() { return iterator; }
   for (var value of newIterable) {
     list.push(value);
   }
   NAMEConstructByArrayLike(obj, list);
 }
 
 function NAMEConstructor(arg1, arg2, arg3) {
-  if (%_IsConstructCall()) {
+  if (!IS_UNDEFINED(new.target)) {
     if (IS_ARRAYBUFFER(arg1) || IS_SHAREDARRAYBUFFER(arg1)) {
       NAMEConstructByArrayBuffer(this, arg1, arg2, arg3);
     } else if (IS_NUMBER(arg1) || IS_STRING(arg1) ||
                IS_BOOLEAN(arg1) || IS_UNDEFINED(arg1)) {
       NAMEConstructByLength(this, arg1);
     } else {
       var iteratorFn = arg1[iteratorSymbol];
       if (IS_UNDEFINED(iteratorFn) || iteratorFn === ArrayValues) {
         NAMEConstructByArrayLike(this, arg1);
       } else {
@@ skipping 672 matching lines @@
   "setUint32", DataViewSetUint32JS,
 
   "getFloat32", DataViewGetFloat32JS,
   "setFloat32", DataViewSetFloat32JS,
 
   "getFloat64", DataViewGetFloat64JS,
   "setFloat64", DataViewSetFloat64JS
 ]);
 
 })