*** old/src/share/vm/c1/c1_LIRGenerator.cpp	Wed Nov 16 15:32:11 2011
--- new/src/share/vm/c1/c1_LIRGenerator.cpp	Wed Nov 16 15:32:11 2011

*** 427,437 ****
--- 427,437 ----
      if (bci == SynchronizationEntryBCI) {
        if (x->as_ExceptionObject() || x->as_Throw()) {
          // all locals are dead on exit from the synthetic unlocker
          liveness.clear();
        } else {
!         assert(x->as_MonitorEnter(), "only other case is MonitorEnter");
!         assert(x->as_MonitorEnter() || x->as_ProfileInvoke(), "only other cases are MonitorEnter and ProfileInvoke");
        }
      }
      if (!liveness.is_valid()) {
        // Degenerate or breakpointed method.
        bailout("Degenerate or breakpointed method");