Index: gcc/tree-vect-stmts.c
--- gcc/tree-vect-stmts.c.orig
+++ gcc/tree-vect-stmts.c
@@ -3745,7 +3745,7 @@ vectorizable_simd_clone_call (gimple *stmt, gimple_stm
 	dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,
 			 "not considering SIMD clones; not yet supported"
 			 " for variable-width vectors.\n");
-      return NULL;
+      return false;
     }
 
   unsigned int badness = 0;
