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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/108499] False positive -Warray-bounds
Date: Mon, 23 Jan 2023 16:03:26 +0000	[thread overview]
Message-ID: <bug-108499-4-DYdNsUgFvR@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-108499-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108499

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Adding:

    if (!theSize)
    __builtin_unreachable();

After the declaration of theSize, fixes the warning.
I don't know if in the original code there was a check for zero theSize or not
but the warning disappears if there is.
There is no way to figure out for the compiler that theSize is not zero either.

  reply	other threads:[~2023-01-23 16:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-23 15:28 [Bug c++/108499] New: " steveire at gmail dot com
2023-01-23 16:03 ` pinskia at gcc dot gnu.org [this message]
2023-01-24 11:01 ` [Bug tree-optimization/108499] " steveire at gmail dot com
2023-01-24 11:02 ` steveire at gmail dot com

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