--- a/hotspot/src/cpu/zero/vm/frame_zero.cpp	Tue Sep 23 17:24:34 2014 -0700
+++ b/hotspot/src/cpu/zero/vm/frame_zero.cpp	Wed Sep 24 12:19:07 2014 -0700
@@ -438,3 +438,10 @@
   // unused... but returns fp() to minimize changes introduced by 7087445
   return fp();
 }
+
+#ifndef PRODUCT
+// This is a generic constructor which is only used by pns() in debug.cpp.
+frame::frame(void* sp, void* fp, void* pc) {
+  Unimplemented();
+}
+#endif