--- a/test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects001/referringObjects001.java	Tue Jul 17 13:04:40 2018 -0400
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects001/referringObjects001.java	Tue Jul 17 11:20:16 2018 -0700
@@ -52,6 +52,7 @@
  *         referrers with supported type(Strong, PhantomReference, SoftReference, WeakReference)
  *
  * @requires vm.gc != "Z"
+ * @requires !vm.graal.enabled
  * @library /vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .