[Bug libstdc++/101571] DestroyGuard used by the ranges::uninitialized family should use addressof()

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101571

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jonathan Wakely
<r...@gcc.gnu.org>:

https://gcc.gnu.org/g:667339efd8ee10079aac9684c5d1c9c9b28d9da6

commit r11-9268-g667339efd8ee10079aac9684c5d1c9c9b28d9da6
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Thu Jul 22 14:37:24 2021 +0100

    libstdc++: Use std::addressof in ranges::uninitialized_xxx [PR101571]

    Make the ranges::uninitialized_xxx algorithms use std::addressof to
    protect against iterator types that overload operator&.

    Signed-off-by: Jonathan Wakely <jwak...@redhat.com>

    libstdc++-v3/ChangeLog:

            PR libstdc++/101571
            * include/bits/ranges_uninitialized.h (_DestroyGuard): Change
            constructor parameter to reference and use addressof.
            * testsuite/util/testsuite_iterators.h: Define deleted operator&
            overloads for test iterators.

    (cherry picked from commit aca7a0253d6e3116f846ad530b19d89644a64267)