git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: Jeff King <peff@peff.net>
To: Stephan Beyer <s-beyer@gmx.net>
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"René Scharfe" <l.s.r@web.de>, "Paul Tan" <pyokagan@gmail.com>,
	"brian m. carlson" <sandals@crustytoothpaste.net>,
	"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	git@vger.kernel.org
Subject: Re: [PATCH] Fix maybe-uninitialized warnings found by gcc 9 -flto
Date: Thu, 5 Sep 2019 18:58:02 -0400	[thread overview]
Message-ID: <20190905225802.GA19526@sigill.intra.peff.net> (raw)
In-Reply-To: <963e5249-82ca-8961-917a-f45c20b1affe@gmx.net>

On Fri, Sep 06, 2019 at 12:53:49AM +0200, Stephan Beyer wrote:

> On 9/6/19 12:48 AM, Jeff King wrote:
> > On Thu, Sep 05, 2019 at 10:24:59AM +0200, Stephan Beyer wrote:
> >
> >> Compiler heuristics for detection of potentially uninitialized variables
> >> may change between compiler versions and enabling link-time optimization
> >> may find new warnings.  Indeed, compiling with gcc 9.2.1 and enabled
> >> link-time optimization feature resulted in a few hits that are fixed by
> >> this patch in the most naïve way.  This allows to compile git using the
> >> DEVELOPER=1 switch (which sets -Werror) and using the -flto flag.
> >
> > Lots of discussion in this thread. Let's try to turn it into some
> > patches. :)
> 
> I thought the same and just sent my version of it. :D

Yeah, I see that our mails crossed. :) I like some of my versions
better, but I'm OK with either (or a mix-and-match).

-Peff

  reply	other threads:[~2019-09-05 22:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-05  8:24 [PATCH] Fix maybe-uninitialized warnings found by gcc 9 -flto Stephan Beyer
2019-09-05 17:08 ` René Scharfe
2019-09-05 17:53   ` Jeff King
2019-09-05 19:09     ` René Scharfe
2019-09-05 19:25       ` Junio C Hamano
2019-09-05 19:39         ` René Scharfe
2019-09-05 19:50           ` Junio C Hamano
2019-09-05 17:41 ` Junio C Hamano
2019-09-05 17:56 ` Junio C Hamano
2019-09-05 18:03   ` Jeff King
2019-09-05 18:22     ` Junio C Hamano
2019-09-05 22:48 ` Jeff King
2019-09-05 22:50   ` [PATCH 1/6] git-am: handle missing "author" when parsing commit Jeff King
2019-09-05 22:52   ` [PATCH 2/6] pack-objects: use object_id in packlist_alloc() Jeff King
2019-09-05 22:52   ` [PATCH 3/6] bulk-checkin: zero-initialize hashfile_checkpoint Jeff King
2019-09-05 22:53   ` [PATCH 4/6] diff-delta: set size out-parameter to 0 for NULL delta Jeff King
2019-09-05 22:53   ` [PATCH] Fix maybe-uninitialized warnings found by gcc 9 -flto Stephan Beyer
2019-09-05 22:58     ` Jeff King [this message]
2019-09-05 23:10       ` Stephan Beyer
2019-09-06  1:24         ` Jeff King
2019-09-06  1:36           ` [PATCH v2 6/6] pack-objects: drop packlist index_pos optimization Jeff King
2019-09-05 22:54   ` [PATCH 5/6] test-read-cache: drop namelen variable Jeff King
2019-09-05 22:56   ` [PATCH 6/6] pack-objects: drop packlist index_pos optimization Jeff King

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190905225802.GA19526@sigill.intra.peff.net \
    --to=peff@peff.net \
    --cc=Johannes.Schindelin@gmx.de \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=l.s.r@web.de \
    --cc=pyokagan@gmail.com \
    --cc=s-beyer@gmx.net \
    --cc=sandals@crustytoothpaste.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).