src/hotspot/share/code/nmethod.cpp

@@ -1659,12 +1659,11 @@
 // Even if it is the end of the linked list, it will have a non-null link value,
 // as long as it is on the list.
 // This code must be MP safe, because it is used from parallel GC passes.
 bool nmethod::test_set_oops_do_mark() {
   assert(nmethod::oops_do_marking_is_active(), "oops_do_marking_prologue must be called");
-  nmethod* observed_mark_link = _oops_do_mark_link;
-  if (observed_mark_link == NULL) {
+  if (_oops_do_mark_link == NULL) {
     // Claim this nmethod for this thread to mark.
     if (Atomic::cmpxchg(NMETHOD_SENTINEL, &_oops_do_mark_link, (nmethod*)NULL) == NULL) {
       // Atomically append this nmethod (now claimed) to the head of the list:
       nmethod* observed_mark_nmethods = _oops_do_mark_nmethods;
       for (;;) {