public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/64491] [5 Regression] incorrect warning: loop exit may only be reached after undefined behavior
Date: Tue, 24 Feb 2015 19:18:00 -0000	[thread overview]
Message-ID: <bug-64491-4-CL3cl759Yu@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-64491-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64491

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
One possibility is just not to warn at all about loops with multiple exits,
because for those you have no guarantee the iteration that triggers undefined
behavior will be ever encountered.


  parent reply	other threads:[~2015-02-24 17:27 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-04 20:24 [Bug c++/64491] New: " stuwph at live dot de
2015-01-04 20:46 ` [Bug c++/64491] " redi at gcc dot gnu.org
2015-01-10 15:58 ` joona.kiiski at iki dot fi
2015-01-10 16:04 ` joona.kiiski at iki dot fi
2015-01-10 16:49 ` [Bug c++/64491] [5 Regression] incorrect " Joost.VandeVondele at mat dot ethz.ch
2015-01-11 22:10 ` [Bug middle-end/64491] " joona.kiiski at gmail dot com
2015-01-12  7:18 ` Joost.VandeVondele at mat dot ethz.ch
2015-02-09  0:06 ` pinskia at gcc dot gnu.org
2015-02-18 13:57 ` jakub at gcc dot gnu.org
2015-02-18 16:25 ` ams at gcc dot gnu.org
2015-02-18 16:28 ` jakub at gcc dot gnu.org
2015-02-20 11:28 ` ams at gcc dot gnu.org
2015-02-24 17:01 ` ams at gcc dot gnu.org
2015-02-24 19:18 ` jakub at gcc dot gnu.org [this message]
2015-03-18 12:50 ` rguenth at gcc dot gnu.org
2015-03-18 12:53 ` jakub at gcc dot gnu.org
2015-03-18 14:27 ` ams at gcc dot gnu.org
2015-03-18 14:29 ` ams at gcc dot gnu.org

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

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

  git send-email \
    --in-reply-to=bug-64491-4-CL3cl759Yu@http.gcc.gnu.org/bugzilla/ \
    --to=gcc-bugzilla@gcc.gnu.org \
    --cc=gcc-bugs@gcc.gnu.org \
    /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. 
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).