--- old/src/hotspot/share/oops/methodData.cpp	2019-11-21 11:55:31.965320912 +0100
+++ new/src/hotspot/share/oops/methodData.cpp	2019-11-21 11:55:31.713316652 +0100
@@ -896,7 +896,7 @@
   FailedSpeculation** cursor = failed_speculations_address;
   do {
     if (*cursor == NULL) {
-      FailedSpeculation* old_fs = Atomic::cmpxchg(fs, cursor, (FailedSpeculation*) NULL);
+      FailedSpeculation* old_fs = Atomic::cmpxchg(cursor, (FailedSpeculation*) NULL, fs);
       if (old_fs == NULL) {
         // Successfully appended fs to end of the list
         return true;