diff -r 5b1eec609909 -r c0d9bc9b4e1f src/hotspot/share/runtime/thread.cpp
--- a/src/hotspot/share/runtime/thread.cpp	Fri Mar 08 18:21:52 2019 -0800
+++ b/src/hotspot/share/runtime/thread.cpp	Wed Apr 24 09:10:45 2019 -0700
@@ -1628,7 +1628,6 @@
   _pending_deoptimization = -1;
   _pending_failed_speculation = 0;
   _pending_transfer_to_interpreter = false;
-  _adjusting_comp_level = false;
   _in_retryable_allocation = false;
   _jvmci._alternate_call_target = NULL;
   assert(_jvmci._implicit_exception_pc == NULL, "must be");