diff -r 6374e632b1ea -r 09b295eb214b test/hotspot/jtreg/gc/g1/TestGCLogMessages.java
--- a/test/hotspot/jtreg/gc/g1/TestGCLogMessages.java	Wed Nov 20 16:10:38 2019 -0800
+++ b/test/hotspot/jtreg/gc/g1/TestGCLogMessages.java	Wed Nov 20 18:23:06 2019 -0800
@@ -35,12 +35,14 @@
  *          java.management
  * @build sun.hotspot.WhiteBox
  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
- * @run main gc.g1.TestGCLogMessages
+ *                                sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ *                   gc.g1.TestGCLogMessages
  */
 
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.Platform;
+import sun.hotspot.code.Compiler;
 
 public class TestGCLogMessages {
 
@@ -85,7 +87,7 @@
         }
 
         public boolean isAvailable() {
-            return Platform.isGraal() || Platform.isServer();
+            return Compiler.isC2Enabled() || Compiler.isGraalEnabled();
         }
     }