test/hotspot/jtreg/gc/g1/humongousObjects/TestHumongousClassLoader.java

rev 59757 : Add whitebox support for deflating idle monitors including ObjectSynchronizer::request_deflate_idle_monitors(); drop ObjectSynchronizer::_is_special_deflation_requested flag, functions and uses; switch to ObjectSynchronizer::request_deflate_idle_monitors() as needed; _last_async_deflation_time_ns should be set at the end of async deflation;

*** 201,210 ****
--- 201,214 ----
          simpleClassLoader = null;
          simpleClassLoaderClass = null;
  
          gc.provoke();
  
+         boolean did_deflation = WB.deflateIdleMonitors();
+         Asserts.assertEQ(did_deflation, true,
+                          "deflateIdleMonitors() should have worked.");
+ 
          // Test checks
          Asserts.assertEquals(WB.isClassAlive(HUMONGOUS_CLASSLOADER_NAME), false,
                  String.format("Classloader class %s is loaded after we forget all references to it",
                          HUMONGOUS_CLASSLOADER_NAME));