- Inline the store buffer update into a stub instead of

runtime/vm/store_buffer.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/store_buffer.h"
 
 #include "platform/assert.h"
 
 namespace dart {
 
 void StoreBufferBlock::ProcessBuffer() {
   // TODO(iposva): Do the right thing for store buffer overflow.
   top_ = 0;  // Currently just reset back to the beginning.
 }
 
+
+bool StoreBufferBlock::Contains(uword pointer) {
+  for (int32_t i = 0; i < top_; i++) {
+    if (pointers_[i] == pointer) {
+      return true;
+    }
+  }
+  return false;
+}
+
 }  // namespace dart