*** old/src/share/vm/runtime/deoptimization.hpp	Thu Apr 28 15:53:56 2011
--- new/src/share/vm/runtime/deoptimization.hpp	Thu Apr 28 15:53:56 2011

*** 54,63 ****
--- 54,64 ----
      Reason_unhandled,             // arbitrary compiler limitation
      Reason_constraint,            // arbitrary runtime constraint violated
      Reason_div0_check,            // a null_check due to division by zero
      Reason_age,                   // nmethod too old; tier threshold reached
      Reason_predicate,             // compiler generated predicate failed
+     Reason_loop_limit_check,      // compiler generated loop limits check failed
      Reason_LIMIT,
      // Note:  Keep this enum in sync. with _trap_reason_name.
      Reason_RECORDED_LIMIT = Reason_bimorphic  // some are not recorded per bc
      // Note:  Reason_RECORDED_LIMIT should be < 8 to fit into 3 bits of
      // DataLayout::trap_bits.  This dependency is enforced indirectly

*** 76,86 ****
--- 77,87 ----
      // Note:  Keep this enum in sync. with _trap_action_name.
    };
  
    enum {
      _action_bits = 3,
!     _reason_bits = 4,
!     _reason_bits = 5,
      _action_shift = 0,
      _reason_shift = _action_shift+_action_bits,
      BC_CASE_LIMIT = PRODUCT_ONLY(1) NOT_PRODUCT(4) // for _deoptimization_hist
    };