--- a/hotspot/src/share/vm/classfile/classFileParser.cpp	Fri Jul 30 10:21:15 2010 -0700
+++ b/hotspot/src/share/vm/classfile/classFileParser.cpp	Tue Aug 03 15:55:03 2010 -0700
@@ -62,6 +62,7 @@
   ClassFileStream cfs1 = *cfs0;
   ClassFileStream* cfs = &cfs1;
 #ifdef ASSERT
+  assert(cfs->allocated_on_stack(),"should be local");
   u1* old_current = cfs0->current();
 #endif