--- old/src/hotspot/share/runtime/threadSMR.cpp	2019-11-21 11:55:39.749452499 +0100
+++ new/src/hotspot/share/runtime/threadSMR.cpp	2019-11-21 11:55:39.493448171 +0100
@@ -156,7 +156,7 @@
       // No need to update max value so we're done.
       break;
     }
-    if (Atomic::cmpxchg(new_value, &_deleted_thread_time_max, cur_value) == cur_value) {
+    if (Atomic::cmpxchg(&_deleted_thread_time_max, cur_value, new_value) == cur_value) {
       // Updated max value so we're done. Otherwise try it all again.
       break;
     }