test/hotspot/jtreg/gc/metaspace/TestMetaspaceInitialization.java

8217389: JTREG: Clean up, remove unused variable warnings

*** 31,40 ****
--- 31,41 ----
   * @modules java.base/jdk.internal.misc
   * @run main/othervm -XX:MetaspaceSize=0 gc.metaspace.TestMetaspaceInitialization
   */
  public class TestMetaspaceInitialization {
      private class Internal {
+         @SuppressWarnings("unused")
          public int x;
          public Internal(int x) {
              this.x = x;
          }
      }