--- a/hotspot/src/share/vm/interpreter/rewriter.cpp	Wed Jul 05 11:03:19 2017 -0700
+++ b/hotspot/src/share/vm/interpreter/rewriter.cpp	Thu Jul 06 01:50:26 2017 +0200
@@ -140,6 +140,9 @@
         THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(),
                   "can't overwrite local 0 in Object.<init>");
         break;
+
+      default:
+        break;
     }
   }
 }
@@ -467,6 +470,8 @@
         case Bytecodes::_jsr_w          : nof_jsrs++;                   break;
         case Bytecodes::_monitorenter   : // fall through
         case Bytecodes::_monitorexit    : has_monitor_bytecodes = true; break;
+
+        default: break;
       }
     }
   }