[PATCH] g++, libstdc++: implement __is_nothrow_{constructible, assignable}

[Ville Voutilainen]

On Sat, 24 Oct 2020 at 02:32, Ville Voutilainen
<ville.voutilainen@gmail.com> wrote:
>     * method.c (__is_nothrow_xible): New.

..and this is is_nothrow_xible, without leading underscores.