--- old/test/hotspot/jtreg/runtime/appcds/sharedStrings/SysDictCrash.java	2018-07-25 19:02:08.073765417 -0700
+++ new/test/hotspot/jtreg/runtime/appcds/sharedStrings/SysDictCrash.java	2018-07-25 19:02:07.961765414 -0700
@@ -32,6 +32,8 @@
  * @modules java.base/jdk.internal.misc
  * @modules java.management
  * @run main SysDictCrash
+ * @run main/othervm -XX:+UseStringDeduplication SysDictCrash
+ * @run main/othervm -XX:-CompactStrings SysDictCrash
  */
 
 import jdk.test.lib.process.OutputAnalyzer;