diff -r 674131501e98 -r 75099fcf7962 src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp
--- a/src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp	Wed Oct 30 09:17:36 2019 +0800
+++ b/src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp	Wed Oct 30 09:42:59 2019 -0400
@@ -544,7 +544,7 @@
 
   Register obj = stub->obj()->as_register();
   Register res = stub->result()->as_register();
-  Register addr = stub->addr()->as_register_lo();
+  Register addr = stub->addr()->as_pointer_register();
   Register tmp1 = stub->tmp1()->as_register();
   Register tmp2 = stub->tmp2()->as_register();