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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/102285] New flag -ftrivial-auto-var-init=zero causes many crashes in the testsuite
Date: Sun, 12 Sep 2021 08:06:45 +0000	[thread overview]
Message-ID: <bug-102285-4-lGyQgSicur@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-102285-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102285

--- Comment #6 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to qinzhao from comment #5)
> with the latest GCC, for all the 42647 c files under gcc/testsuite, with -c
> -g -O2 -Wall -ftrivial-auto-var-init=zero, there is only one failure:
>  /home/opc/Install/latest/bin/gcc -c -g -ftrivial-auto-var-init=zero -O2
> -Wall ./gcc.dg/graphite/pr82421.c

> delete -ftrivial-auto-var-init=zero, the failure is gone.
> 
> I will study this one to fix it.

Good news. I'll test with -O3 -march=native, and if it passes then the C side 
of things looks good enough for prime time.

I will then test C++ and Fortran in a similar way, and if they pass too,
then the new flag looks IMHO ready for other compiler users.

  parent reply	other threads:[~2021-09-12  8:06 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-10 21:50 [Bug c/102285] New: " dcb314 at hotmail dot com
2021-09-10 22:11 ` [Bug middle-end/102285] " qinzhao at gcc dot gnu.org
2021-09-10 22:28 ` qinzhao at gcc dot gnu.org
2021-09-10 22:34 ` pinskia at gcc dot gnu.org
2021-09-10 23:10 ` qing.zhao at oracle dot com
2021-09-12  3:33 ` qinzhao at gcc dot gnu.org
2021-09-12  8:06 ` dcb314 at hotmail dot com [this message]
2021-09-13 10:25 ` rguenth at gcc dot gnu.org
2021-09-13 17:30 ` qinzhao at gcc dot gnu.org
2021-09-29 22:44 ` [Bug middle-end/102285] New flag -ftrivial-auto-var-init=zero causes crash in pr82421.c qinzhao at gcc dot gnu.org
2021-09-30 19:30 ` qinzhao at gcc dot gnu.org
2021-09-30 20:22 ` qinzhao at gcc dot gnu.org
2021-09-30 20:53 ` dcb314 at hotmail dot com
2021-09-30 22:09 ` qinzhao at gcc dot gnu.org
2021-10-01  6:51 ` rguenth at gcc dot gnu.org
2021-10-01  9:45 ` egallager at gcc dot gnu.org
2021-10-01 16:16 ` qinzhao at gcc dot gnu.org
2021-10-01 16:43 ` qing.zhao at oracle dot com
2021-10-01 20:09 ` qinzhao at gcc dot gnu.org
2021-10-01 20:23 ` qinzhao at gcc dot gnu.org
2021-10-04  6:27 ` rguenther at suse dot de
2021-10-04  6:29 ` rguenther at suse dot de
2021-10-04  9:10 ` rguenth at gcc dot gnu.org
2021-10-04  9:30 ` rguenth at gcc dot gnu.org
2021-10-04 11:53 ` rguenth at gcc dot gnu.org
2021-10-04 14:54 ` rguenth at gcc dot gnu.org
2021-10-04 17:16 ` qinzhao at gcc dot gnu.org
2021-10-04 20:34 ` qinzhao at gcc dot gnu.org
2021-10-04 20:59 ` qinzhao at gcc dot gnu.org
2021-10-04 21:44 ` qinzhao at gcc dot gnu.org
2021-10-05  8:36 ` cvs-commit at gcc dot gnu.org
2021-10-05  8:47 ` rguenth at gcc dot gnu.org

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