--trace-hydrogen fix

src/hydrogen-instructions.cc

 // 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 824 matching lines @@
 
 
 void HUnaryCall::PrintDataTo(StringStream* stream) {
   value()->PrintNameTo(stream);
   stream->Add(" ");
   stream->Add("#%d", argument_count());
 }
 
 
 void HCallJSFunction::PrintDataTo(StringStream* stream) {
-  OperandAt(0)->PrintNameTo(stream);
-  stream->Add(" ");
-  OperandAt(1)->PrintNameTo(stream);
+  function()->PrintNameTo(stream);
   stream->Add(" ");
   stream->Add("#%d", argument_count());
 }
 
 
 HCallJSFunction* HCallJSFunction::New(
     Zone* zone,
     HValue* context,
     HValue* function,
     int argument_count,
@@ skipping 3587 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal