Merge bleeding edge up to 8774 into the GC branch.

src/deoptimizer.cc

 // Copyright 2011 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 1452 matching lines @@
   }
 }
 
 
 DeoptimizedFrameInfo::~DeoptimizedFrameInfo() {
   delete[] expression_stack_;
   delete[] parameters_;
 }
 
 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
-  v->VisitPointer(reinterpret_cast<Object**>(&function_));
+  v->VisitPointer(BitCast<Object**>(&function_));
   v->VisitPointers(parameters_, parameters_ + parameters_count_);
   v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
 }
 
 
 } }  // namespace v8::internal