- Inline the store buffer update into a stub instead of

runtime/vm/stub_code_x64.cc

Index: runtime/vm/stub_code_x64.cc
===================================================================
--- runtime/vm/stub_code_x64.cc	(revision 8921)
+++ runtime/vm/stub_code_x64.cc	(working copy)
@@ -1066,6 +1066,14 @@
 }
 
 
+// Helper stub to implement Assembler::StoreIntoObject.
+// Input parameters:
+void StubCode::GenerateUpdateStoreBufferStub(Assembler* assembler) {
+  __ Unimplemented("StubCode::GenerateUpdateStoreBufferStub");
+  __ ret();
+}
+
+
 // Called for inline allocation of objects.
 // Input parameters:
 //   RSP + 16 : type arguments object (only if class is parameterized).