test/hotspot/jtreg/gc/z/TestHighUsage.java

*** 85,95 ****
      }
  
      public static void main(String[] args) throws Exception {
          ProcessTools.executeTestJvm(new String[]{ "-XX:+UnlockExperimentalVMOptions",
                                                    "-XX:+UseZGC",
-                                                   "-XX:+UnlockDiagnosticVMOptions",
                                                    "-XX:-ZProactive",
                                                    "-Xms128M",
                                                    "-Xmx128M",
                                                    "-XX:ParallelGCThreads=1",
                                                    "-XX:ConcGCThreads=1",
--- 85,94 ----