$OpenBSD: patch-gcc_lto_lto_c,v 1.2 2012/09/28 18:45:42 pascal Exp $
--- gcc/lto/lto.c.orig	Sun Sep 16 01:03:27 2012
+++ gcc/lto/lto.c	Mon Sep 24 16:32:09 2012
@@ -2963,4 +2963,10 @@ lto_main (void)
     }
 }
 
+const char *
+fname_as_string(int pretty_p)
+{
+	return NULL;
+}
+
 #include "gt-lto-lto.h"
