src/hotspot/share/jvmci/metadataHandleBlock.cpp

*** 139,149 ****
          if (klass->class_loader_data()->is_unloading()) {
            // This needs to be marked so that it's no longer scanned
            // but can't be put on the free list yet. The
            // HandleCleaner will set this to NULL and
            // put it on the free list.
!           jlong old_value = Atomic::cmpxchg((jlong) (ptr_tag), (jlong*)handle, (jlong) value);
            if (old_value == (jlong) value) {
              // Success
            } else {
              guarantee(old_value == 0, "only other possible value");
            }
--- 139,149 ----
          if (klass->class_loader_data()->is_unloading()) {
            // This needs to be marked so that it's no longer scanned
            // but can't be put on the free list yet. The
            // HandleCleaner will set this to NULL and
            // put it on the free list.
!           jlong old_value = Atomic::cmpxchg((jlong*)handle, (jlong) value, (jlong) (ptr_tag));
            if (old_value == (jlong) value) {
              // Success
            } else {
              guarantee(old_value == 0, "only other possible value");
            }