[Bug c++/88977] __builtin_is_constant_evaluated() as function template argument causes substitution failure

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88977

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Feb 11 20:00:16 2019
New Revision: 268780

URL: https://gcc.gnu.org/viewcvs?rev=268780&root=gcc&view=rev
Log:
        PR c++/88977
        * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
        to maybe_constant_value calls.

        * g++.dg/cpp2a/is-constant-evaluated7.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp2a/is-constant-evaluated7.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog