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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/102511] [12 Regression] GCC produces incorrect code for -O3: first element of the array is skipped
Date: Tue, 28 Sep 2021 04:24:19 +0000 [thread overview]
Message-ID: <bug-102511-4-MmpbgzSbvW@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-102511-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102511
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|GCC produces incorrect code |[12 Regression] GCC
|for -O3: first element of |produces incorrect code for
|the array is skipped |-O3: first element of the
| |array is skipped
Target Milestone|--- |12.0
Version|11.0 |12.0
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Does not work:
r12-3906-g51018dd1
Works:
r12-3890-gfe2771b2
Note there is one undefined behavior in this code, but it does not matter
really.
The types of arr_15 don't match but after fixing it should fail still.
next prev parent reply other threads:[~2021-09-28 4:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-28 3:11 [Bug tree-optimization/102511] New: " vsevolod.livinskij at frtk dot ru
2021-09-28 4:24 ` pinskia at gcc dot gnu.org [this message]
2021-09-28 4:33 ` [Bug tree-optimization/102511] [12 Regression] " pinskia at gcc dot gnu.org
2021-09-28 4:37 ` pinskia at gcc dot gnu.org
2021-09-28 5:23 ` pinskia at gcc dot gnu.org
2021-09-28 5:37 ` [Bug tree-optimization/102511] [12 Regression] GCC produces incorrect code for -O3: first element of the array is skipped after r12-3903 pinskia at gcc dot gnu.org
2021-09-28 7:36 ` aldyh at gcc dot gnu.org
2021-09-28 7:44 ` pinskia at gcc dot gnu.org
2021-09-28 9:12 ` cvs-commit at gcc dot gnu.org
2021-09-28 9:19 ` aldyh at gcc dot gnu.org
2021-09-28 14:51 ` aldyh at gcc dot gnu.org
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