--- a/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp	Wed Dec 16 11:35:59 2015 +0000
+++ b/hotspot/src/cpu/aarch64/vm/c1_LIRGenerator_aarch64.cpp	Wed Dec 16 13:21:19 2015 +0000
@@ -238,6 +238,7 @@
     }
   } else {
     ShouldNotReachHere();
+    r = NULL;  // unreachable
   }
   return r;
 }