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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/110173] [13/14 Regression] Missed Dead Code
 Elimination when using __builtin_unreachable
Date: Thu, 08 Jun 2023 18:46:34 +0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110173

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Missed Dead Code            |[13/14 Regression] Missed
                   |Elimination when using      |Dead Code Elimination when
                   |__builtin_unreachable since |using __builtin_unreachable
                   |r14-569-g21e2ef2dc25        |
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2023-06-08
   Target Milestone|---                         |13.2

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
s/j();/j(0);/
Actually worked in GCC 12.3.0 but failed in GCC 13.1.0 so that is a regress=
ion
there.

But definitely unrelated to that GCC 14 change.=