[Bug c++/90338] [9 Regression] member function pointer non-type template parameter compile fail while matching

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90338

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:

https://gcc.gnu.org/g:c47f6f69745cd41cb7cb00407bf1ff81b2a56124

commit r9-8341-gc47f6f69745cd41cb7cb00407bf1ff81b2a56124
Author: Jason Merrill <jason@redhat.com>
Date:   Thu Mar 5 10:22:25 2020 -0500

    c++: Fix SFINAE for invalid non-type tparm types.

    Just missing the usual SFINAE pattern here.  This was fixed for GCC 10 as a
    drive-by in r277902.

    gcc/cp/ChangeLog
    2020-03-05  Jason Merrill  <jason@redhat.com>

        PR c++/90338
        * pt.c (invalid_nontype_parm_type_p): Check complain for non-literal
        and mutable errors.