[Bug c++/94149] __is_constructible doesn't know about C++20 parenthesized init for arrays

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94149

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>:

https://gcc.gnu.org/g:d76925e46fad09fc9be6759cbf1f23c9a8344dbf

commit r10-7856-gd76925e46fad09fc9be6759cbf1f23c9a8344dbf
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Tue Apr 21 22:18:51 2020 +0100

    libstdc++: Support arrays in std::is_nothrow_constructible (PR 94149)

    The front end now supports parenthesized initialization for arrays in
    C++20, so extend std::is_nothrow_constructible to support them too.

    gcc/testsuite:

            PR c++/94149
            * g++.dg/cpp2a/paren-init24.C: Fix FIXMEs.

    libstdc++-v3:

            PR c++/94149
            * include/std/type_traits (__is_nt_constructible_impl): Add partial
            specializations for bounded arrays with non-empty initializers.
            * testsuite/20_util/is_nothrow_constructible/value_c++20.cc: New
test.