src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp

@@ -79,11 +79,11 @@
 
   for (CodeBlob *cb = CodeCache::first_blob(_heap); cb != NULL; cb = CodeCache::next_blob(_heap, cb)) {
     int current = count++;
     if ((current & stride_mask) == 0) {
       process_block = (current >= _claimed_idx) &&
-                      (Atomic::cmpxchg(current + stride, &_claimed_idx, current) == current);
+                      (Atomic::cmpxchg(&_claimed_idx, current, current + stride) == current);
     }
     if (process_block) {
       if (cb->is_alive()) {
         f->do_code_blob(cb);
 #ifdef ASSERT