[Bug c++/81311] [7 Regression] An std::ref argument calls copy constructor instead of template constructor in C++17 mode

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81311

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Marek Polacek <mpola...@gcc.gnu.org>:

https://gcc.gnu.org/g:62ecd2b8d46aaf96caef5fa78953216629e49ebd

commit r13-460-g62ecd2b8d46aaf96caef5fa78953216629e49ebd
Author: Marek Polacek <pola...@redhat.com>
Date:   Fri May 13 19:45:03 2022 -0400

    c++: Add fixed test [PR81952]

    This was fixed by r258755:
    PR c++/81311 - wrong C++17 overload resolution.

            PR c++/81952

    gcc/testsuite/ChangeLog:

            * g++.dg/overload/conv-op4.C: New test.