--- a/hotspot/test/gc/whitebox/TestWBGC.java	Thu Dec 10 23:02:31 2015 +0000
+++ b/hotspot/test/gc/whitebox/TestWBGC.java	Thu Dec 10 14:57:55 2015 +0100
@@ -44,7 +44,7 @@
                 "-XX:+UnlockDiagnosticVMOptions",
                 "-XX:+WhiteBoxAPI",
                 "-XX:MaxTenuringThreshold=1",
-                "-XX:+PrintGC",
+                "-Xlog:gc",
                 GCYoungTest.class.getName());
 
         OutputAnalyzer output = new OutputAnalyzer(pb.start());