[Bug c++/119378] [12/13/14 Regression] Nested template class friend of template class produces "internal compiler error: unexpected expression ‘T’ of kind template_parm_index"

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119378

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Patrick Palka <ppa...@gcc.gnu.org>:

https://gcc.gnu.org/g:6ed38b98456725f042e75fde7da16c60e22c08d8

commit r15-8655-g6ed38b98456725f042e75fde7da16c60e22c08d8
Author: Patrick Palka <ppa...@redhat.com>
Date:   Fri Mar 21 15:23:49 2025 -0400

    c++: add fixed test [PR119378]

    Fixed by r15-123 (specifically the change to set processing_template_decl
    when tsubsting UNBOUND_CLASS_TEMPLATE).

            PR c++/119378

    gcc/testsuite/ChangeLog:

            * g++.dg/template/friend85.C: New test.