Remove materialized objects on stack unwind.

src/deoptimizer.h

 // Copyright 2012 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_DEOPTIMIZER_H_
 #define V8_DEOPTIMIZER_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 948 matching lines @@
   Handle<Object> GetDeferredObject(Isolate* isolate);
 };
 
 class MaterializedObjectStore {
  public:
   explicit MaterializedObjectStore(Isolate* isolate) : isolate_(isolate) {
   }
 
   Handle<FixedArray> Get(Address fp);
   void Set(Address fp, Handle<FixedArray> materialized_objects);
-  void Remove(Address fp);
+  bool Remove(Address fp);
 
  private:
   Isolate* isolate() { return isolate_; }
   Handle<FixedArray> GetStackEntries();
   Handle<FixedArray> EnsureStackEntries(int size);
 
   int StackIdToIndex(Address fp);
 
   Isolate* isolate_;
   List<Address> frame_fps_;
@@ skipping 74 matching lines @@
   Object** parameters_;
   Object** expression_stack_;
   int source_position_;
 
   friend class Deoptimizer;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_DEOPTIMIZER_H_