[Bug c++/94197] __is_constructible gives an access error

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94197

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Ville Voutilainen <ville@gcc.gnu.org>:

https://gcc.gnu.org/g:887085be635101ae1fa16be8dcdbbe6b240b600b

commit r10-7219-g887085be635101ae1fa16be8dcdbbe6b240b600b
Author: Ville Voutilainen <ville.voutilainen@gmail.com>
Date:   Tue Mar 17 16:38:25 2020 +0200

    c++: Fix access checks for __is_assignable and __is_constructible

    gcc/

    PR c++/94197
    * cp/method.c (assignable_expr): Use cp_unevaluated.
    (is_xible_helper): Push a non-deferred access check for
    the stub objects created by assignable_expr and constructible_expr.

    testsuite/

    PR c++/94197
    * g++.dg/ext/pr94197.C: New.