diff -r 6ffa38b8da65 -r ec4c3c287ca7 src/hotspot/share/gc/shared/c2/barrierSetC2.cpp
--- a/src/hotspot/share/gc/shared/c2/barrierSetC2.cpp	Wed Sep 12 11:13:09 2018 +0200
+++ b/src/hotspot/share/gc/shared/c2/barrierSetC2.cpp	Tue Sep 18 20:49:44 2018 +0200
@@ -310,7 +310,7 @@
 
 //--------------------------- atomic operations---------------------------------
 
-static void pin_atomic_op(C2AtomicAccess& access) {
+void BarrierSetC2::pin_atomic_op(C2AtomicAccess& access) const {
   if (!access.needs_pinning()) {
     return;
   }