--- a/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp	Thu Apr 28 13:26:29 2016 +0000
+++ b/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp	Fri Apr 29 02:13:40 2016 +0300
@@ -331,7 +331,7 @@
     length.load_item();
 
   }
-  if (needs_store_check) {
+  if (needs_store_check || x->check_boolean()) {
     value.load_item();
   } else {
     value.load_for_store(x->elt_type());
@@ -380,7 +380,8 @@
     // Seems to be a precise
     post_barrier(LIR_OprFact::address(array_addr), value.result());
   } else {
-    __ move(value.result(), array_addr, null_check_info);
+    LIR_Opr result = maybe_mask_boolean(x, array.result(), value.result(), null_check_info);
+    __ move(result, array_addr, null_check_info);
   }
 }