--- a/hotspot/src/share/vm/oops/instanceKlass.hpp	Fri Oct 16 16:14:12 2009 -0700
+++ b/hotspot/src/share/vm/oops/instanceKlass.hpp	Sat Oct 17 19:51:05 2009 -0700
@@ -722,7 +722,7 @@
 #endif // SERIALGC
 
   // Naming
-  char* signature_name() const;
+  const char* signature_name() const;
 
   // Iterators
   int oop_oop_iterate(oop obj, OopClosure* blk) {