[stubs] Cleanup storing of maps to objects.

src/compiler/code-assembler.cc

Index: src/compiler/code-assembler.cc
diff --git a/src/compiler/code-assembler.cc b/src/compiler/code-assembler.cc
index 97d8724a76a55e291d5fcfc38523c05f0c318d1b..79fe2f41f0d6b2a78041ba08db535b1595ba2493 100644
--- a/src/compiler/code-assembler.cc
+++ b/src/compiler/code-assembler.cc
@@ -317,6 +317,12 @@ Node* CodeAssembler::Store(Node* base, Node* offset, Node* value) {
                                 value, kFullWriteBarrier);
 }
 
+Node* CodeAssembler::StoreWithMapWriteBarrier(Node* base, Node* offset,
+                                              Node* value) {
+  return raw_assembler()->Store(MachineRepresentation::kTagged, base, offset,
+                                value, kMapWriteBarrier);
+}
+
 Node* CodeAssembler::StoreNoWriteBarrier(MachineRepresentation rep, Node* base,
                                          Node* value) {
   return raw_assembler()->Store(rep, base, value, kNoWriteBarrier);