--- old/src/hotspot/share/opto/lcm.cpp	2018-06-01 22:29:58.929081774 +0200
+++ new/src/hotspot/share/opto/lcm.cpp	2018-06-01 22:29:58.674070766 +0200
@@ -169,6 +169,8 @@
     case Op_LoadI:
     case Op_LoadL:
     case Op_LoadP:
+    case Op_LoadBarrierSlowReg:
+    case Op_LoadBarrierWeakSlowReg:
     case Op_LoadN:
     case Op_LoadS:
     case Op_LoadKlass: