--- old/src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp	2019-09-04 05:35:29.995825926 -0400
+++ new/src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp	2019-09-04 05:35:28.936815705 -0400
@@ -242,7 +242,7 @@
     }
     cur = MAX2<size_t>(1, cur);
 
-    os::sleep(Thread::current(), cur, true);
+    os::sleep(JavaThread::current(), cur);
 
     double end = os::elapsedTime();
     total = (size_t)((end - start) * 1000);