Make _CallFunction proxy-aware.

src/hydrogen-instructions.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 1555 matching lines @@
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::Tagged();
   }
 
  private:
   Handle<String> name_;
 };
 
 
-class HCallFunction: public HUnaryCall {
+class HCallFunction: public HBinaryCall {
  public:
-  HCallFunction(HValue* context, int argument_count)
-      : HUnaryCall(context, argument_count) {
+  HCallFunction(HValue* context, HValue* function, int argument_count)
+      : HBinaryCall(context, function, argument_count) {
   }
 
-  HValue* context() { return value(); }
+  HValue* context() { return first(); }
+  HValue* function() { return second(); }
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::Tagged();
   }
 
   DECLARE_CONCRETE_INSTRUCTION(CallFunction)
 };
 
 
 class HCallGlobal: public HUnaryCall {
@@ skipping 2655 matching lines @@
 
   DECLARE_CONCRETE_INSTRUCTION(In)
 };
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_