--- old/test/gc/shenandoah/TestStringDedup.java	2019-11-11 16:10:23.120341444 +0100
+++ new/test/gc/shenandoah/TestStringDedup.java	2019-11-11 16:10:23.032341449 +0100
@@ -32,6 +32,9 @@
  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC                                         -XX:+UseStringDeduplication -Xmx256M TestStringDedup
  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive   -XX:+UseStringDeduplication -Xmx256M TestStringDedup
  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact      -XX:+UseStringDeduplication -Xmx256M TestStringDedup
+ *
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive      -XX:+UseStringDeduplication -Xmx256M TestStringDedup
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:+UseStringDeduplication -Xmx256M TestStringDedup
  */
 
 import java.lang.reflect.*;