--- old/test/hotspot/gtest/utilities/test_singleWriterSynchronizer.cpp	2019-09-08 23:48:27.132251711 -0400
+++ new/test/hotspot/gtest/utilities/test_singleWriterSynchronizer.cpp	2019-09-08 23:48:25.730237313 -0400
@@ -136,7 +136,7 @@
   JavaThread* cur = JavaThread::current();
   {
     ThreadInVMfromNative invm(cur);
-    os::sleep(cur, milliseconds_to_run);
+    cur->sleep(milliseconds_to_run);
   }
   continue_running = 0;
   for (uint i = 0; i < nreaders + 1; ++i) {