Fix bug in CompilationHandlescope constructor.

src/api.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 381 matching lines @@
 };
 
 
 class DeferredHandles {
  public:
   ~DeferredHandles();
 
  private:
   DeferredHandles(DeferredHandles* next, Object** first_block_limit,
                   HandleScopeImplementer* impl)
       : next_(next), previous_(NULL), first_block_limit_(first_block_limit),

[Jakob Kummerow, 2012/07/12 07:22:23]

nit: While you are at it, put each of these initializers onto its own line,
please.

-        impl_(impl) {}
+        impl_(impl) {
+    if (next != NULL) next->previous_ = this;
+  }
 
   void Iterate(ObjectVisitor* v);
 
   List<Object**> blocks_;
   DeferredHandles* next_;
   DeferredHandles* previous_;
   Object** first_block_limit_;
   HandleScopeImplementer* impl_;
 
   friend class HandleScopeImplementer;
@@ skipping 189 matching lines @@
     stress_type_ = stress_type;
   }
 
  private:
   static v8::Testing::StressType stress_type_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_API_H_