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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/102276] -ftrivial-auto-var-init fails to initialize
 a variable, causes a spurious warning
Date: Thu, 17 Feb 2022 07:22:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102276

--- Comment #13 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 15 Feb 2022, qinzhao at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102276
>=20
> --- Comment #11 from qinzhao at gcc dot gnu.org ---
> (In reply to rguenther@suse.de from comment #10)
>=20
> > I think it definitely makes sense to diagnose that we are not
> > following -ftrivial-auto-init-var=3DX for a decl.  Maybe we should
> > do that with -Wtrivial-auto-init-var only though?
>=20
> currently we don't have -Wtrivial-auto-init-var, do you want to add a new
> option -Wtrivial-auto-init-var? what's the purpose of it?

It's purpose is to diagnose cases where the program might see a not
auto-initialized variable despite using -ftrivial-auto-init-var=3D...=