--- gcc/config/rs6000/rs6000.md.orig	2018-11-11 23:51:07.799507000 +0000
+++ gcc/config/rs6000/rs6000.md	2018-11-11 23:51:33.987202000 +0000
@@ -265,6 +265,7 @@
 		(const_string "not")))
 
 (automata_option "ndfa")
+(automata_option "no-comb-vect")
 
 (include "rs64.md")
 (include "mpc.md")