--- old/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp	2019-11-21 11:53:08.462906229 +0100
+++ new/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp	2019-11-21 11:53:08.206902048 +0100
@@ -687,7 +687,7 @@
 }
 
 void ShenandoahHeapRegion::record_pin() {
-  Atomic::add((size_t)1, &_critical_pins);
+  Atomic::add(&_critical_pins, (size_t)1);
 }
 
 void ShenandoahHeapRegion::record_unpin() {