[stubs] Cleanup storing of maps to objects.

src/code-stub-assembler.h

 // 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.
 
 #ifndef V8_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 329 matching lines @@
   // Store a field to an object on the heap.
   Node* StoreObjectField(Node* object, int offset, Node* value);
   Node* StoreObjectField(Node* object, Node* offset, Node* value);
   Node* StoreObjectFieldNoWriteBarrier(
       Node* object, int offset, Node* value,
       MachineRepresentation rep = MachineRepresentation::kTagged);
   Node* StoreObjectFieldNoWriteBarrier(
       Node* object, Node* offset, Node* value,
       MachineRepresentation rep = MachineRepresentation::kTagged);
   // Store the Map of an HeapObject.
+  Node* StoreMap(Node* object, Node* map);
+  Node* StoreMapNoWriteBarrier(Node* object,
+                               Heap::RootListIndex map_root_index);
   Node* StoreMapNoWriteBarrier(Node* object, Node* map);
   Node* StoreObjectFieldRoot(Node* object, int offset,
                              Heap::RootListIndex root);
   // Store an array element to a FixedArray.
   Node* StoreFixedArrayElement(
       Node* object, int index, Node* value,
       WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER) {
     return StoreFixedArrayElement(object, IntPtrConstant(index), value,
                                   barrier_mode, 0, INTPTR_PARAMETERS);
   }
@@ skipping 746 matching lines @@
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_