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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/109979] -Wformat-overflow false positive for %d and non-basic
 expression
Date: Fri, 26 May 2023 07:23:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109979

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic
            Summary|[12 Regression]             |-Wformat-overflow false
                   |-Wformat-overflow false     |positive for %d and
                   |positive for %d and         |non-basic expression
                   |non-basic expression        |

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The warning happens in GCC 8+ with -O1 and above too ...

Really the warning should have happened for the first sprintf too because e=
ven
though e has no range, it still can overflow the buffer.=