[Bug c++/113644] [14 regression] ICE when building libcxxabi-16.0.6 since r14-6520

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113644

--- Comment #6 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:af37bef86199e50368cbfbc97befe0622a07f12f

commit r14-8630-gaf37bef86199e50368cbfbc97befe0622a07f12f
Author: Patrick Palka <ppa...@redhat.com>
Date:   Tue Jan 30 10:13:41 2024 -0500

    c++: unifying integer parm with type-dep arg [PR113644]

    Here when trying to unify P=42 A=T::value we ICE due to the latter's
    empty type, which same_type_p dislikes.

            PR c++/113644

    gcc/cp/ChangeLog:

            * pt.cc (unify) <case INTEGER_CST>: Handle NULL_TREE type.

    gcc/testsuite/ChangeLog:

            * g++.dg/template/nontype30.C: New test.