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From: "egallager at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug preprocessor/16358] -Wno-system-headers hides warning caused by
 user header vs system header conflict [i.e. add -Wmacro-redefined]
Date: Wed, 27 Oct 2021 05:09:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D16358

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |egallager at gcc dot gnu.o=
rg
            Summary|-Wno-system-headers hides   |-Wno-system-headers hides
                   |warning caused by user      |warning caused by user
                   |header vs system header     |header vs system header
                   |conflict                    |conflict [i.e. add
                   |                            |-Wmacro-redefined]

--- Comment #12 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to niva from comment #11)
> (in reply to Martin Sebor in comment #10)
>=20
> Implementation of -Wmacro-redefined (with possibility of turning this
> warning to error) would solve the problem of our users.

Retitling accordingly=