--- old/src/share/vm/c1/c1_InstructionPrinter.cpp	2017-07-02 11:30:40.000000000 +0200
+++ new/src/share/vm/c1/c1_InstructionPrinter.cpp	2017-07-02 11:30:40.000000000 +0200
@@ -102,6 +102,7 @@
     case Bytecodes::_lor  : return "|";
     case Bytecodes::_ixor : // fall through
     case Bytecodes::_lxor : return "^";
+    default               : break;
   }
   return Bytecodes::name(op);
 }