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PATCH: PR c/40172: [4.5 Regression] Revision 147596 breaks bootstrap

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Manuel López-Ibáñez <lopezibanez at gmail dot com>
Cc: Simon Martin <simartin at users dot sourceforge dot net>, Gcc Patch List <gcc-patches at gcc dot gnu dot org>, "Joseph S. Myers" <joseph at codesourcery dot com>, Mark Mitchell <mark at codesourcery dot com>, Jason Merrill <jason at redhat dot com>, Nathan Sidwell <nathan at codesourcery dot com>, Vladimir Makarov <vmakarov at redhat dot com>
Date: Sun, 17 May 2009 11:33:41 -0700
Subject: PATCH: PR c/40172: [4.5 Regression] Revision 147596 breaks bootstrap

On Sat, May 16, 2009 at 8:17 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> 2009/5/16 Manuel López-Ibáñez <lopezibanez@gmail.com>:
>> That is strange, it should not warn for constants. Is it really 0 or
>> something else?
>
>
> I open a bug report with a testcase:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40172
>
>

Hi,

I am checking this patch to fix bootstrap.  Tested on Linux/Intel64
and Linux/ia64.


-- 
H.J.
---
gcc/

2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/40172
	* c-common.c (warn_logical_operator): Don't warn if one of
	expression isn't always true or false.

gcc/testscase/

2009-05-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/40172
	* gcc.dg/torture/pr40172.c: New.

Attachment: gcc-pr40172-1.patch
Description: Text document

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