[stubs] Reduce number of StoreTransitionStub instances.

src/code-stub-assembler.h

Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index ec84b38fd73ee4e081ee81842c928fd455e2f760..97de660c215213732f2a1733d29abf8cdd384f6c 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -312,9 +312,15 @@ class CodeStubAssembler : public compiler::CodeAssembler {
   // Store a field to an object on the heap.
   compiler::Node* StoreObjectField(
       compiler::Node* object, int offset, compiler::Node* value);
+  compiler::Node* StoreObjectField(compiler::Node* object,
+                                   compiler::Node* offset,
+                                   compiler::Node* value);
   compiler::Node* StoreObjectFieldNoWriteBarrier(
       compiler::Node* object, int offset, compiler::Node* value,
       MachineRepresentation rep = MachineRepresentation::kTagged);
+  compiler::Node* StoreObjectFieldNoWriteBarrier(
+      compiler::Node* object, compiler::Node* offset, compiler::Node* value,
+      MachineRepresentation rep = MachineRepresentation::kTagged);
   // Store the Map of an HeapObject.
   compiler::Node* StoreMapNoWriteBarrier(compiler::Node* object,
                                          compiler::Node* map);
@@ -740,6 +746,10 @@ class CodeStubAssembler : public compiler::CodeAssembler {
                        Representation representation, compiler::Node* value,
                        bool transition_to_field);
 
+  void StoreNamedField(compiler::Node* object, compiler::Node* offset,
+                       bool is_inobject, Representation representation,
+                       compiler::Node* value, bool transition_to_field);
+
   // Emits keyed sloppy arguments load. Returns either the loaded value.
   compiler::Node* LoadKeyedSloppyArguments(compiler::Node* receiver,
                                            compiler::Node* key,