--- a/hotspot/src/cpu/x86/vm/x86_32.ad	Mon Oct 27 17:24:10 2014 -0400
+++ b/hotspot/src/cpu/x86/vm/x86_32.ad	Wed Nov 12 13:55:59 2014 +0100
@@ -1210,6 +1210,7 @@
 
 
   Unimplemented();
+  return 0; // Mute compiler
 }
 
 #ifndef PRODUCT