Make sure fixed typed array is always double aligned for doubles

src/objects-inl.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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 4294 matching lines @@
 
 template <class Traits>
 typename Traits::ElementType FixedTypedArray<Traits>::get_scalar(int index) {
   DCHECK((index >= 0) && (index < this->length()));
   ElementType* ptr = reinterpret_cast<ElementType*>(
       FIELD_ADDR(this, kDataOffset));
   return ptr[index];
 }
 
 
-template<> inline
-FixedTypedArray<Float64ArrayTraits>::ElementType
-    FixedTypedArray<Float64ArrayTraits>::get_scalar(int index) {
-  DCHECK((index >= 0) && (index < this->length()));
-  return READ_DOUBLE_FIELD(this, ElementOffset(index));
-}
-
-
 template <class Traits>
 void FixedTypedArray<Traits>::set(int index, ElementType value) {
   DCHECK((index >= 0) && (index < this->length()));
   ElementType* ptr = reinterpret_cast<ElementType*>(
       FIELD_ADDR(this, kDataOffset));
   ptr[index] = value;
 }
 
 
-template<> inline
-void FixedTypedArray<Float64ArrayTraits>::set(
-    int index, Float64ArrayTraits::ElementType value) {
-  DCHECK((index >= 0) && (index < this->length()));
-  WRITE_DOUBLE_FIELD(this, ElementOffset(index), value);
-}
-
-
 template <class Traits>
 typename Traits::ElementType FixedTypedArray<Traits>::from_int(int value) {
   return static_cast<ElementType>(value);
 }
 
 
 template <> inline
 uint8_t FixedTypedArray<Uint8ClampedArrayTraits>::from_int(int value) {
   if (value < 0) return 0;
   if (value > 0xFF) return 0xFF;
@@ skipping 3265 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_