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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++/96057] -Wreturn-type warning message disappears with -O1 to
 -Os in unnamed namespace definition
Date: Sat, 04 Jul 2020 08:24:44 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96057

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There was another report about static inline where this happens too. The sa=
me
reasoning applies here. The function is unused and there for there is no
undefined runtime behavior can happen.=