diff -r 6b2aecc4f7d8 -r 8dc4bdc132d5 hotspot/src/share/vm/runtime/thread.cpp
--- a/hotspot/src/share/vm/runtime/thread.cpp	Wed Jun 09 18:50:45 2010 -0700
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Thu Jun 10 13:04:20 2010 -0700
@@ -2698,7 +2698,7 @@
   if (in_bytes(size_in_bytes) != 0) {
     _popframe_preserved_args = NEW_C_HEAP_ARRAY(char, in_bytes(size_in_bytes));
     _popframe_preserved_args_size = in_bytes(size_in_bytes);
-    Copy::conjoint_bytes(start, _popframe_preserved_args, _popframe_preserved_args_size);
+    Copy::conjoint_jbytes(start, _popframe_preserved_args, _popframe_preserved_args_size);
   }
 }