[builtins] Properly optimize TypedArray/DataView accessors.

src/runtime/runtime-typedarray.cc

 // Copyright 2014 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.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/factory.h"
 #include "src/messages.h"
 #include "src/objects-inl.h"
@@ skipping 266 matching lines @@
   RUNTIME_FUNCTION(Runtime_##Type##Get##getter) {    \
     HandleScope scope(isolate);                      \
     DCHECK_EQ(1, args.length());                     \
     CONVERT_ARG_HANDLE_CHECKED(JS##Type, holder, 0); \
     return holder->accessor();                       \
   }
 
 BUFFER_VIEW_GETTER(ArrayBufferView, ByteLength, byte_length)
 BUFFER_VIEW_GETTER(ArrayBufferView, ByteOffset, byte_offset)
 BUFFER_VIEW_GETTER(TypedArray, Length, length)
-BUFFER_VIEW_GETTER(DataView, Buffer, buffer)
 
 #undef BUFFER_VIEW_GETTER
 
 RUNTIME_FUNCTION(Runtime_TypedArrayGetBuffer) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, holder, 0);
   return *holder->GetBuffer();
 }
 
@@ skipping 337 matching lines @@
 DATA_VIEW_SETTER(Uint16, uint16_t)
 DATA_VIEW_SETTER(Int16, int16_t)
 DATA_VIEW_SETTER(Uint32, uint32_t)
 DATA_VIEW_SETTER(Int32, int32_t)
 DATA_VIEW_SETTER(Float32, float)
 DATA_VIEW_SETTER(Float64, double)
 
 #undef DATA_VIEW_SETTER
 }  // namespace internal
 }  // namespace v8