[Bug c++/86521] [8 Regression] GCC 8 selects incorrect overload of ref-qualified conversion operator template

[Bug c++/86521] [8 Regression] GCC 8 selects incorrect overload of ref-qualified conversion operator template

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86521

--- Comment #18 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Jason Merrill <jason@gcc.gnu.org>:

https://gcc.gnu.org/g:4ec6b627cb008e31ea3d1ee93a209297f56c6a3e

commit r14-1810-g4ec6b627cb008e31ea3d1ee93a209297f56c6a3e
Author: Jason Merrill <jason@redhat.com>
Date:   Fri Mar 3 15:04:25 2023 -0500

    c++: tweak c++17 ctor/conversion tiebreaker [DR2327]

    In discussion of this issue CWG decided that the change of behavior on
    well-formed code like overload-conv-4.C is undesirable.  In further
    discussion of possible resolutions, we discovered that we can avoid that
    change while still getting the desired behavior on overload-conv-3.C by
    making this a tiebreaker after comparing conversions, rather than before.
    This also simplifies the implementation.

    The issue resolution has not yet been finalized, but this seems like a
clear
    improvement.

            DR 2327
            PR c++/86521

    gcc/cp/ChangeLog:

            * call.cc (joust_maybe_elide_copy): Don't change cand.
            (joust): Move the elided tiebreaker later.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp0x/overload-conv-4.C: Remove warnings.
            * g++.dg/cpp1z/elide7.C: New test.

[Bug c++/86521] [8 Regression] GCC 8 selects incorrect overload of ref-qualified conversion operator template

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86521

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |duyang.seu at gmail dot com

--- Comment #19 from Jonathan Wakely <redi at gcc dot gnu.org> ---
*** Bug 89793 has been marked as a duplicate of this bug. ***