Fix SlotRef::SlotAddress for parameters indices.

src/hydrogen.h

 // 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 526 matching lines @@
   CompilationInfo* compilation_info() { return compilation_info_; }
   TypeFeedbackOracle* oracle() { return oracle_; }
   AstContext* call_context() { return call_context_; }
   HBasicBlock* function_return() { return function_return_; }
   TestContext* test_context() { return test_context_; }
   void ClearInlinedTestContext() {
     delete test_context_;
     test_context_ = NULL;
   }
 
+  FunctionState* outer() { return outer_; }
+
  private:
   HGraphBuilder* owner_;
 
   CompilationInfo* compilation_info_;
   TypeFeedbackOracle* oracle_;
 
   // During function inlining, expression context of the call being
   // inlined. NULL when not inlining.
   AstContext* call_context_;
 
@@ skipping 542 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_