$OpenBSD: patch-gcc_varasm_c,v 1.1.1.1 2007/03/17 22:35:26 espie Exp $
--- gcc/varasm.c.orig	Thu Feb 15 11:33:59 2007
+++ gcc/varasm.c	Mon Feb 19 14:08:49 2007
@@ -633,7 +633,7 @@ initialize_cold_section_name (void)
 
       stripped_name = targetm.strip_name_encoding (name);
 
-      buffer = ACONCAT ((stripped_name, "_unlikely", NULL));
+      buffer = ACONCAT ((stripped_name, "_unlikely", (char *)0));
       cfun->unlikely_text_section_name = ggc_strdup (buffer);
     }
   else
