From 39b751ce5a6d74289963d38d1cbe6f0e3b65ea11 Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Thu, 19 Oct 1995 19:18:59 -0400
Subject: [PATCH] (check_format_info): Make test for null pointer more general.

From-SVN: r10479
---
 gcc/c-common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/c-common.c b/gcc/c-common.c
index 41362faf2c4..78b4d858acb 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -874,7 +874,7 @@ check_format_info (info, params)
   /* We can only check the format if it's a string constant.  */
   while (TREE_CODE (format_tree) == NOP_EXPR)
     format_tree = TREE_OPERAND (format_tree, 0); /* strip coercion */
-  if (format_tree == null_pointer_node)
+  if (integer_zerop (format_tree))
     {
       warning ("null format string");
       return;
-- 
2.30.2