--- old/src/hotspot/share/opto/loopTransform.cpp	2020-02-06 19:18:14.796549332 +0100
+++ new/src/hotspot/share/opto/loopTransform.cpp	2020-02-06 19:18:14.628549347 +0100
@@ -2852,6 +2852,14 @@
             ((bol->in(1)->Opcode() == Op_StorePConditional ) ||
              (bol->in(1)->Opcode() == Op_StoreIConditional ) ||
              (bol->in(1)->Opcode() == Op_StoreLConditional ) ||
+#if INCLUDE_SHENANDOAHGC
+             (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeP ) ||
+             (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeN ) ||
+             (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapP ) ||
+             (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapN ) ||
+             (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapP ) ||
+             (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapN ) ||
+#endif
              (bol->in(1)->Opcode() == Op_CompareAndExchangeB ) ||
              (bol->in(1)->Opcode() == Op_CompareAndExchangeS ) ||
              (bol->in(1)->Opcode() == Op_CompareAndExchangeI ) ||