--- old/test/gc/g1/TestSummarizeRSetStatsThreads.java 2015-02-24 10:32:32.074329900 -0800 +++ new/test/gc/g1/TestSummarizeRSetStatsThreads.java 2015-02-24 10:32:31.752314332 -0800 @@ -28,6 +28,8 @@ * refinement threads do not crash the VM. * @key gc * @library /testlibrary + * @build com.oracle.java.testlibrary.* + * @run main/othervm TestSummarizeRSetStatsThreads */ import java.util.regex.Matcher;