$OpenBSD: patch-gcc_tree_c,v 1.3 2010/04/29 16:45:53 jsg Exp $
--- gcc/tree.c.orig	Thu Mar  4 00:20:17 2010
+++ gcc/tree.c	Wed Apr 28 23:09:28 2010
@@ -6933,11 +6933,11 @@ build_common_builtin_nodes (void)
 	  *q = TOLOWER (*p);
 	*q = '\0';
 
-	built_in_names[mcode] = concat ("__mul", mode_name_buf, "3", NULL);
+	built_in_names[mcode] = concat ("__mul", mode_name_buf, "3", (void *)0);
         local_define_builtin (built_in_names[mcode], ftype, mcode,
 			      built_in_names[mcode], ECF_CONST | ECF_NOTHROW);
 
-	built_in_names[dcode] = concat ("__div", mode_name_buf, "3", NULL);
+	built_in_names[dcode] = concat ("__div", mode_name_buf, "3", (void *)0);
         local_define_builtin (built_in_names[dcode], ftype, dcode,
 			      built_in_names[dcode], ECF_CONST | ECF_NOTHROW);
       }
