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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++/96181] Missing return statement now leads to crashes
Date: Mon, 13 Jul 2020 10:50:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96181

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
C++ says it is undefined at the point of fall through point.  THIS is diffe=
rent
from C where it is undefined if the value was used.

AND yes this was done on purpose.  If you want to catch it at runtime you c=
ould
use -fsanitize=3Dundefined.=