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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/109123] [12 Regression] Bogus warning: pointer used after
 'realloc' -Wuse-after-free with -O2
Date: Thu, 16 Mar 2023 07:31:57 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109123

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |13.0
           Priority|P3                          |P2
            Summary|Bogus warning: pointer used |[12 Regression] Bogus
                   |after 'realloc'             |warning: pointer used after
                   |-Wuse-after-free with -O2   |'realloc' -Wuse-after-free
                   |                            |with -O2
   Target Milestone|---                         |12.3

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk.  It's a regression in GCC 12 with -Wall=