Avoid handle dereference during graph optimization.

src/hydrogen.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 534 matching lines @@
   HEnvironment* CopyWithoutHistory() const;
   HEnvironment* CopyAsLoopHeader(HBasicBlock* block) const;
 
   // Create an "inlined version" of this environment, where the original
   // environment is the outer environment but the top expression stack
   // elements are moved to an inner environment as parameters.
   HEnvironment* CopyForInlining(Handle<JSFunction> target,
                                 int arguments,
                                 FunctionLiteral* function,
                                 HConstant* undefined,
-                                CallKind call_kind,
-                                InliningKind inlining_kind) const;
+                                InliningKind inlining_kind,
+                                bool undefined_receiver) const;
+
+  static bool UseUndefinedReceiver(Handle<JSFunction> closure,
+                                   FunctionLiteral* function,
+                                   CallKind call_kind,
+                                   InliningKind inlining_kind) {
+    return (closure->shared()->native() || !function->is_classic_mode()) &&
+        call_kind == CALL_AS_FUNCTION && inlining_kind != CONSTRUCT_CALL_RETURN;
+  }
 
   HEnvironment* DiscardInlined(bool drop_extra) {
     HEnvironment* outer = outer_;
     while (outer->frame_type() != JS_FUNCTION) outer = outer->outer_;
     if (drop_extra) outer->Drop(1);
     return outer;
   }
 
   void AddIncomingEdge(HBasicBlock* block, HEnvironment* other);
 
@@ skipping 1000 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_