From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 12 Jul 2007 18:26:36 +0000
Subject: 2.5-18.1

---
 include/sys/cdefs.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'include/sys/cdefs.h')

diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
index 8ba980477d..cd0750b452 100644
--- a/include/sys/cdefs.h
+++ b/include/sys/cdefs.h
@@ -2,6 +2,12 @@
 
 #include <misc/sys/cdefs.h>
 
+/* The compiler will optimize based on the knowledge the parameter is
+   not NULL.  This will omit tests.  A robust implementation cannot allow
+   this so when compiling glibc itself we ignore this attribute.  */
+#undef __nonnull
+#define __nonnull(params)
+
 extern void __chk_fail (void) __attribute__ ((__noreturn__));
 libc_hidden_proto (__chk_fail)
 rtld_hidden_proto (__chk_fail)
-- 
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