diff -r a49a647afe9a -r ba764ed4b6f2 src/share/vm/runtime/hpi.cpp
--- a/src/share/vm/runtime/hpi.cpp	Fri Apr 11 09:56:35 2008 -0400
+++ b/src/share/vm/runtime/hpi.cpp	Sun Apr 13 17:43:42 2008 -0400
@@ -27,7 +27,8 @@
 
 extern "C" {
   static void unimplemented_panic(const char *fmt, ...) {
-    Unimplemented();
+    // mitigate testing damage from bug 6626677
+    warning("hpi::unimplemented_panic called");
   }
 
   static void unimplemented_monitorRegister(sys_mon_t *mid, char *info_str) {