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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++/107622] Missing optimization of switch-statement
Date: Thu, 10 Nov 2022 20:20:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107622

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> In the following example the default-case=20

Yes it can. You can pass a 0xf to that function and still have well defined
behavior.=