--- old/test/hotspot/gtest/threadHelper.inline.hpp	2019-11-22 14:03:33.588057360 +0100
+++ new/test/hotspot/gtest/threadHelper.inline.hpp	2019-11-22 14:03:33.400051077 +0100
@@ -38,7 +38,7 @@
   VM_StopSafepoint(Semaphore* running, Semaphore* wait_for) :
     _running(running), _test_complete(wait_for) {}
   VMOp_Type type() const          { return VMOp_None; }
-  Mode evaluation_mode() const    { return _no_safepoint; }
+  bool evaluate_at_safepoint() const { return false; }
   void doit()                     { _running->signal(); _test_complete->wait(); }
 };