--- old/test/gc/g1/TestShrinkAuxiliaryData.java	2015-11-19 15:35:36.178128255 +0100
+++ new/test/gc/g1/TestShrinkAuxiliaryData.java	2015-11-19 15:35:36.062128259 +0100
@@ -49,7 +49,7 @@
         "-XX:+UseG1GC",
         "-XX:G1HeapRegionSize=" + REGION_SIZE,
         "-XX:-ExplicitGCInvokesConcurrent",
-        "-XX:+PrintGCDetails",
+        "-Xlog:gc=debug",
         "-XX:+UnlockDiagnosticVMOptions",
         "-XX:+WhiteBoxAPI",
         "-Xbootclasspath/a:.",