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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++/109364] Missing return statement in a non void function gives only a warning but produces a forced crash.
Date: Fri, 31 Mar 2023 22:37:50 +0000	[thread overview]
Message-ID: <bug-109364-4-9iePHiHx8S@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-109364-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109364

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
As I will mention it again falling through from a function which has a non void
return type is undefined. So gcc thinks it is unreachable. With the option is
specify in comment #2, gcc 13 will cause a trap (usually an illegal instruction
but could be an abort call).

So there is nothing to change about gcc. Undefined code means just that if you
invoke undefined code, anything can happen.

  parent reply	other threads:[~2023-03-31 22:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-31 18:34 [Bug c++/109364] New: " contact at thunderperfectwitchcraft dot org
2023-03-31 18:38 ` [Bug c++/109364] " pinskia at gcc dot gnu.org
2023-03-31 18:40 ` pinskia at gcc dot gnu.org
2023-03-31 22:17 ` contact at thunderperfectwitchcraft dot org
2023-03-31 22:19 ` pinskia at gcc dot gnu.org
2023-03-31 22:21 ` contact at thunderperfectwitchcraft dot org
2023-03-31 22:37 ` pinskia at gcc dot gnu.org [this message]
2023-03-31 22:46 ` contact at thunderperfectwitchcraft dot org
2023-03-31 22:54 ` pinskia at gcc dot gnu.org
2023-03-31 22:57 ` redi at gcc dot gnu.org
2023-03-31 23:00 ` contact at thunderperfectwitchcraft dot org
2023-03-31 23:24 ` redi at gcc dot gnu.org

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