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Subject: [Bug c++/28901] unable to resolve function overloads involving
 inheritance
Date: Wed, 23 Feb 2022 20:23:35 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28901

--- Comment #10 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot g=
nu.org> ---
The master branch has been updated by Tom Tromey <tromey@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3Dac03c8d8fd6c=
f7f9080068589683cb06531879c2

commit ac03c8d8fd6cf7f9080068589683cb06531879c2
Author: Tom Tromey <tromey@adacore.com>
Date:   Fri Feb 18 14:03:03 2022 -0700

    Fix bug in C++ overload resolution

    PR c++/28901 points out a bug in C++ overload resolution.  When
    comparing two overloads, one might be better than the other for
    certain parameters -- but, if that one also has some invalid
    conversion, then it should never be considered the better choice.
    Instead, a valid-but-not-apparently-quite-as-good overload should be
    preferred.

    This patch fixes this problem by changing how overload comparisons are
    done.  I don't believe it should affect any currently valid overload
    resolution; nor should it affect resolutions where all the choices are
    equally invalid.

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