Implement .forEach() on typed arrays

src/runtime/runtime.h

 // Copyright 2012 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.
 
 #ifndef V8_RUNTIME_H_
 #define V8_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/objects.h"
 #include "src/zone.h"
@@ skipping 330 matching lines @@
   F(GetObjectContextObjectObserve, 1, 1)               \
   F(GetObjectContextObjectGetNotifier, 1, 1)           \
   F(GetObjectContextNotifierPerformChange, 1, 1)       \
                                                        \
   /* Harmony typed arrays */                           \
   F(ArrayBufferInitialize, 2, 1)                       \
   F(ArrayBufferSliceImpl, 3, 1)                        \
   F(ArrayBufferIsView, 1, 1)                           \
   F(ArrayBufferNeuter, 1, 1)                           \
                                                        \
+  F(IsTypedArray, 1, 1)                                \
   F(TypedArrayInitializeFromArrayLike, 4, 1)           \
   F(TypedArrayGetBuffer, 1, 1)                         \
   F(TypedArraySetFastCases, 3, 1)                      \
                                                        \
   F(DataViewGetBuffer, 1, 1)                           \
   F(DataViewGetInt8, 3, 1)                             \
   F(DataViewGetUint8, 3, 1)                            \
   F(DataViewGetInt16, 3, 1)                            \
   F(DataViewGetUint16, 3, 1)                           \
   F(DataViewGetInt32, 3, 1)                            \
@@ skipping 543 matching lines @@
 class AllocateDoubleAlignFlag : public BitField<bool, 0, 1> {};
 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {};
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 class DeclareGlobalsStrictMode : public BitField<StrictMode, 2, 1> {};
 }
 }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_