--- old/src/share/vm/c1/c1_LIR.cpp	2017-07-02 11:30:40.000000000 +0200
+++ new/src/share/vm/c1/c1_LIR.cpp	2017-07-02 11:30:40.000000000 +0200
@@ -243,6 +243,8 @@
       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
       break;
 
+    default:
+      break;
     }
   }
 #endif