[Bug c++/93729] [concepts] binding bit-field to lvalue reference in requires expression should be SFINAE

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93729

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |marxin at gcc dot gnu.org

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
commit r10-7080-g5e1b4e60c1823115ba7ff0e8c4b35f6058ad9969
Author: Patrick Palka <ppalka@redhat.com>
Date:   Tue Mar 3 12:27:33 2020 -0500

    c++: Fix missing SFINAE when binding a bit-field to a reference (PR 93729)

    We are unconditionally emitting an error here, without first checking
complain.

    gcc/cp/ChangeLog:

            PR c++/93729
            * call.c (convert_like_real): Check complain before emitting an
error
            about binding a bit-field to a reference.

    gcc/testsuite/ChangeLog:

            PR c++/93729
            * g++.dg/concepts/pr93729.C: New test.