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test/hotspot/jtreg/gc/logging/TestGCId.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -39,21 +39,22 @@
   public static void main(String[] args) throws Exception {
     testGCId("UseParallelGC");
     testGCId("UseG1GC");
     testGCId("UseConcMarkSweepGC");
     testGCId("UseSerialGC");
+    testGCId("UseShenandoahGC");
   }
 
   private static void verifyContainsGCIDs(OutputAnalyzer output) {
     output.shouldMatch("\\[.*\\]\\[.*\\]\\[.*\\] GC\\(0\\) ");
     output.shouldMatch("\\[.*\\]\\[.*\\]\\[.*\\] GC\\(1\\) ");
     output.shouldHaveExitValue(0);
   }
 
   private static void testGCId(String gcFlag) throws Exception {
     ProcessBuilder pb_default =
-      ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-Xlog:gc", "-Xmx10M", GCTest.class.getName());
+      ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-Xlog:gc", "-Xmx10M", GCTest.class.getName());
     verifyContainsGCIDs(new OutputAnalyzer(pb_default.start()));
   }
 
   static class GCTest {
     private static byte[] garbage;
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