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Re: Deprecate -funit-at-a-time

From: Jakub Jelinek <jakub at redhat dot com>
To: Mark Mitchell <mark at codesourcery dot com>
Cc: Richard Guenther <richard dot guenther at gmail dot com>, Jan Hubicka <hubicka at ucw dot cz>, Jan Hubicka <jh at suse dot cz>, gcc-patches at gcc dot gnu dot org
Date: Fri, 18 Jul 2008 13:22:33 -0400
Subject: Re: Deprecate -funit-at-a-time
References: <20080718090046.GL23542@kam.mff.cuni.cz> <84fc9c000807180251v5123a1adu7ca6137e81ba5d51@mail.gmail.com> <4880CA37.3080502@codesourcery.com> <20080718165648.GG16206@atrey.karlin.mff.cuni.cz> <84fc9c000807181011l9dc8a8dv2db10665d8f2c55f@mail.gmail.com> <4880CFAA.2040402@codesourcery.com>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

On Fri, Jul 18, 2008 at 10:15:22AM -0700, Mark Mitchell wrote:
> Richard Guenther wrote:
> >>However I will be happy to change the spec line I have to imply
> >>-fno-toplevel-reorder -fno-section-anchors and output message (or not
> >>output it and just silently accept it as alias).
> 
> Why -fno-section-anchors?

-fsection-anchors reorders variables, which causes e.g. glibc
miscompilation.  See
http://sources.redhat.com/ml/libc-hacker/2008-04/msg00001.html

	Jakub

Follow-Ups:
- Re: Deprecate -funit-at-a-time
  - From: Mark Mitchell

References:
- Deprecate -funit-at-a-time
  - From: Jan Hubicka
- Re: Deprecate -funit-at-a-time
  - From: Richard Guenther
- Re: Deprecate -funit-at-a-time
  - From: Mark Mitchell
- Re: Deprecate -funit-at-a-time
  - From: Jan Hubicka
- Re: Deprecate -funit-at-a-time
  - From: Richard Guenther
- Re: Deprecate -funit-at-a-time
  - From: Mark Mitchell

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