641       // there is no exception handler for this pc => deoptimize

   641       return Deoptimization::deoptimize_for_missing_exception_handler(cm);

   642       cm->make_not_entrant();

   643 

   644       // Use Deoptimization::deoptimize for all of its side-effects:

   645       // revoking biases of monitors, gathering traps statistics, logging...

   646       // it also patches the return pc but we do not care about that

   647       // since we return a continuation to the deopt_blob below.

   648       JavaThread* thread = JavaThread::current();

   649       RegisterMap reg_map(thread, UseBiasedLocking);

   650       frame runtime_frame = thread->last_frame();

   651       frame caller_frame = runtime_frame.sender(&reg_map);

   652       Deoptimization::deoptimize(thread, caller_frame, &reg_map, Deoptimization::Reason_not_compiled_exception_handler);

   653 

   654       return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls();