public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "law at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/47679] [4.9/5/6 Regression] Strange uninitialized warning after SRA
Date: Sun, 20 Sep 2015 06:16:00 -0000	[thread overview]
Message-ID: <bug-47679-4-jaD3qpVPZM@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-47679-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47679

--- Comment #30 from Jeffrey A. Law <law at redhat dot com> ---
AFACT the testcase in c#16 is bogus.  If i is never equal to k, then opt is
never assigned any value.  It's then used in the conditional outside the loop. 
That's how it looks at the source level and that's also what it looks like in
the dom2 dump.


  parent reply	other threads:[~2015-09-20  6:16 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-10 14:48 [Bug tree-optimization/47679] New: [4.6 " jakub at gcc dot gnu.org
2011-02-10 14:53 ` [Bug tree-optimization/47679] " jakub at gcc dot gnu.org
2011-02-10 16:00 ` jakub at gcc dot gnu.org
2011-02-10 16:19 ` rguenth at gcc dot gnu.org
2011-02-10 16:29 ` jakub at gcc dot gnu.org
2011-02-10 16:29 ` jakub at gcc dot gnu.org
2011-03-03 11:27 ` rguenth at gcc dot gnu.org
2011-03-25 20:09 ` [Bug tree-optimization/47679] [4.6/4.7 " jakub at gcc dot gnu.org
2011-06-27 16:00 ` jakub at gcc dot gnu.org
2011-10-26 17:57 ` jakub at gcc dot gnu.org
2012-03-01 15:16 ` jakub at gcc dot gnu.org
2013-04-12 15:16 ` [Bug tree-optimization/47679] [4.7/4.8/4.9 " jakub at gcc dot gnu.org
2013-08-30 13:04 ` Woebbeking at web dot de
2014-02-16 13:13 ` jackie.rosen at hushmail dot com
2014-06-12 13:44 ` [Bug tree-optimization/47679] [4.7/4.8/4.9/4.10 " rguenth at gcc dot gnu.org
2014-12-19 13:27 ` [Bug tree-optimization/47679] [4.8/4.9/5 " jakub at gcc dot gnu.org
2015-01-12 17:11 ` gafnium@yandex-team.ru
2015-02-16 23:39 ` law at redhat dot com
2015-04-15 18:52 ` [Bug tree-optimization/47679] [4.8/4.9/5/6 " law at gcc dot gnu.org
2015-04-17 19:24 ` law at gcc dot gnu.org
2015-06-23  8:23 ` rguenth at gcc dot gnu.org
2015-06-26 19:56 ` [Bug tree-optimization/47679] [4.9/5/6 " jakub at gcc dot gnu.org
2015-06-26 20:28 ` jakub at gcc dot gnu.org
2015-09-14 20:11 ` law at gcc dot gnu.org
2015-09-15 17:04 ` law at gcc dot gnu.org
2015-09-16 17:26 ` law at gcc dot gnu.org
2015-09-17  3:01 ` law at gcc dot gnu.org
2015-09-18 15:29 ` law at gcc dot gnu.org
2015-09-18 19:34 ` law at gcc dot gnu.org
2015-09-19  2:57 ` law at gcc dot gnu.org
2015-09-20  6:16 ` law at redhat dot com [this message]
2015-09-20  6:40 ` law at gcc dot gnu.org
2015-09-20  6:40 ` [Bug tree-optimization/47679] [4.9/5 " law at redhat dot com

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-47679-4-jaD3qpVPZM@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).