[Interpreter] Use FastCloneShallowObjectStub in CreateObjectLiteral bytecode.

src/code-stub-assembler.cc

 // Copyright 2016 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/code-stub-assembler.h"
 #include "src/code-factory.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 413 matching lines @@
   }
 #endif
 
   return AllocateRawUnaligned(size_in_bytes, flags, top_address, limit_address);
 }
 
 Node* CodeStubAssembler::Allocate(int size_in_bytes, AllocationFlags flags) {
   return CodeStubAssembler::Allocate(IntPtrConstant(size_in_bytes), flags);
 }
 
+Node* CodeStubAssembler::InnerAllocate(Node* previous, Node* offset) {
+  return BitcastWordToTagged(IntPtrAdd(previous, offset));
+}
+
 Node* CodeStubAssembler::InnerAllocate(Node* previous, int offset) {
-  return BitcastWordToTagged(IntPtrAdd(previous, IntPtrConstant(offset)));
+  return InnerAllocate(previous, IntPtrConstant(offset));
 }
 
 Node* CodeStubAssembler::LoadBufferObject(Node* buffer, int offset,
                                           MachineType rep) {
   return Load(rep, buffer, IntPtrConstant(offset));
 }
 
 Node* CodeStubAssembler::LoadObjectField(Node* object, int offset,
                                          MachineType rep) {
   return Load(rep, object, IntPtrConstant(offset - kHeapObjectTag));
@@ skipping 689 matching lines @@
 }
 
 Node* CodeStubAssembler::BitFieldDecode(Node* word32, uint32_t shift,
                                         uint32_t mask) {
   return Word32Shr(Word32And(word32, Int32Constant(mask)),
                    Int32Constant(shift));
 }
 
 }  // namespace internal
 }  // namespace v8