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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/114377] [13 Regression] GCC crashes on an example of CTAD
 for alias templates
Date: Wed, 01 May 2024 20:31:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114377

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:

https://gcc.gnu.org/g:60e1e13f458f1fcfb05a30ace57fa682461e2732

commit r13-8669-g60e1e13f458f1fcfb05a30ace57fa682461e2732
Author: centurion <centurion009@proton.me>
Date:   Wed Mar 27 18:36:37 2024 +0000

    c++: alias CTAD and template template parm [PR114377]

    To match all the other places that pull a _TEMPLATE_PARM out of a
    _DECL (get_template_parm_index, etc.).

    This change is too small to be legally significant for copyright.

            PR c++/114377

    gcc/cp/ChangeLog:

            * pt.cc (find_template_parameter_info::found): Use TREE_TYPE for
            TEMPLATE_DECL instead of DECL_INITIAL.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp2a/class-deduction-alias19.C: New test.

    Reviewed-by: Jason Merrill <jason@redhat.com>
    (cherry picked from commit 801e82acd6b4f0cf863529875947e394899ea7b9)=