Fix compile warning.

src/objects-inl.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 2803 matching lines @@
 }
 
 
 void ConsStringIteratorOp::Reset() {
   depth_ = 0;
 }
 
 
 String* ConsStringIteratorOp::ContinueOperation(int32_t* type_out,
                                                 unsigned* length_out) {
-  bool blew_stack;
+  bool blew_stack = false;
   String* string = NextLeaf(&blew_stack, type_out, length_out);
   // String found.
   if (string != NULL) {
     // Verify output.
     ASSERT(*length_out == static_cast<unsigned>(string->length()));
     ASSERT(*type_out == string->map()->instance_type());
     return string;
   }
   // Traversal complete.
   if (!blew_stack) return NULL;
@@ skipping 2936 matching lines @@
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_