--- a/hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp	Mon Feb 04 08:26:02 2013 -0500
+++ b/hotspot/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp	Mon Feb 04 23:53:10 2013 -0500
@@ -372,7 +372,7 @@
                 CAST_FROM_FN_PTR(address, os::current_frame));
   if (os::is_first_C_frame(&myframe)) {
     // stack is not walkable
-    return frame(NULL, NULL, NULL);
+    return frame();
   } else {
     return os::get_sender_for_C_frame(&myframe);
   }