$OpenBSD: patch-gcc_tree_c,v 1.4 2011/01/13 00:18:18 jeremy Exp $
--- gcc/tree.c.orig	Mon May 24 13:19:31 2010
+++ gcc/tree.c	Mon Jan 10 12:49:16 2011
@@ -6935,11 +6935,11 @@ 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);
       }