test/hotspot/jtreg/gc/cms/DisableResizePLAB.java

8217389: JTREG: Clean up, remove unused variable warnings

         for (int i = 0; i < garbage.length; i++) {
             garbage[i] = new byte[0];
         }
         long startTime = System.currentTimeMillis();
         while (System.currentTimeMillis() - startTime < 10_000) {
+            @SuppressWarnings("unused")
             Object o = new byte[1024];
         }
     }
 }