diff -r a9aea2b8010f -r b3d5b50e2289 hotspot/src/share/vm/runtime/thread.cpp
--- a/hotspot/src/share/vm/runtime/thread.cpp	Tue May 17 16:50:27 2011 +0200
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Tue May 17 19:11:51 2011 -0700
@@ -2861,6 +2861,7 @@
 }
 
 
+#ifdef ASSERT
 // Print or validate the layout of stack frames
 void JavaThread::print_frame_layout(int depth, bool validate_only) {
   ResourceMark rm;
@@ -2878,7 +2879,7 @@
     values.print();
   }
 }
-
+#endif
 
 void JavaThread::trace_stack_from(vframe* start_vf) {
   ResourceMark rm;