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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/95322] std::list | take | transform, expression does
 not work cbegin() == end()
Date: Thu, 27 Aug 2020 01:53:40 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95322

--- Comment #16 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>:

https://gcc.gnu.org/g:3ae0cd94abc15e33dc06ca7a5f76f14b1d74129f

commit r11-2898-g3ae0cd94abc15e33dc06ca7a5f76f14b1d74129f
Author: Patrick Palka <ppalka@redhat.com>
Date:   Wed Aug 26 21:51:48 2020 -0400

    libstdc++: Implement remaining piece of LWG 3448

    Almost all of the proposed resolution for LWG 3448 is already
    implemented; the only part left is to adjust the return type of
    transform_view::sentinel::operator-.

    libstdc++-v3/ChangeLog:

            PR libstdc++/95322
            * include/std/ranges (transform_view::sentinel::__distance_from=
):
            Give this a deduced return type.
            (transform_view::sentinel::operator-): Adjust the return type so
            that it's based on the constness of the iterator rather than
            that of the sentinel.
            * testsuite/std/ranges/adaptors/95322.cc: Refer to LWG 3488.=