diff -r 0139aac70fb5 -r bad7ecd0b6ed src/share/vm/oops/methodDataOop.hpp
--- a/src/share/vm/oops/methodDataOop.hpp	Wed May 04 03:42:58 2011 -0700
+++ b/src/share/vm/oops/methodDataOop.hpp	Wed May 04 13:12:42 2011 -0700
@@ -1194,7 +1194,7 @@
   // Whole-method sticky bits and flags
 public:
   enum {
-    _trap_hist_limit    = 16,   // decoupled from Deoptimization::Reason_LIMIT
+    _trap_hist_limit    = 17,   // decoupled from Deoptimization::Reason_LIMIT
     _trap_hist_mask     = max_jubyte,
     _extra_data_count   = 4     // extra DataLayout headers, for trap history
   }; // Public flag values