diff -r 33ae33516634 -r a80577f854f9 src/share/vm/opto/idealGraphPrinter.cpp
--- a/src/share/vm/opto/idealGraphPrinter.cpp	Tue May 17 16:50:27 2011 +0200
+++ b/src/share/vm/opto/idealGraphPrinter.cpp	Tue May 17 19:11:51 2011 -0700
@@ -615,6 +615,7 @@
       }
     }
 
+#ifdef ASSERT
     if (node->debug_orig() != NULL) {
       stringStream dorigStream;
       Node* dorig = node->debug_orig();
@@ -629,6 +630,7 @@
       }
       print_prop("debug_orig", dorigStream.as_string());
     }
+#endif
 
     if (_chaitin && _chaitin != (PhaseChaitin *)0xdeadbeef) {
       buffer[0] = 0;