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Subject: [Bug driver/93371] -ffile-prefix-map ignored with assembly files
Date: Wed, 02 Nov 2022 16:02:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D93371

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jeff Law <law@gcc.gnu.org>:

https://gcc.gnu.org/g:abaa32c7384edef065c79741764bc112dd18f32d

commit r13-3611-gabaa32c7384edef065c79741764bc112dd18f32d
Author: Rasmus Villemoes <rv@rasmusvillemoes.dk>
Date:   Wed Nov 2 10:01:22 2022 -0600

    gcc: honour -ffile-prefix-map in ASM_MAP [PR93371]

    -ffile-prefix-map is supposed to be a superset of -fmacro-prefix-map
    and -fdebug-prefix-map. However, when building .S or .s files, gas is
    not called with the appropriate --debug-prefix-map option when
    -ffile-prefix-map is used.

    While the user can specify -fdebug-prefix-map when building assembly
    files via gcc, it's more ergonomic to also support -ffile-prefix-map;
    especially since for .S files that could contain the __FILE__ macro,
    one would then also have to specify -fmacro-prefix-map.

    gcc:
            PR driver/93371
            * gcc.cc (ASM_MAP): Honour -ffile-prefix-map.=