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Subject: [Bug c++/100652] Unexpanded parameter pack in partial specialization
 of variable template not rejected
Date: Tue, 09 Nov 2021 14:11:08 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100652

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>:

https://gcc.gnu.org/g:a19f09cb03d7f69377e6d12162e5d6df78a82849

commit r12-5052-ga19f09cb03d7f69377e6d12162e5d6df78a82849
Author: Patrick Palka <ppalka@redhat.com>
Date:   Tue Nov 9 09:09:12 2021 -0500

    c++: unexpanded pack in var tmpl partial spec [PR100652]

    Here we're failing to spot a bare parameter pack appearing in the argum=
ent
    list of a variable template partial specialization because we only look=
 for
    them within the decl's TREE_TYPE, which is sufficient for class templat=
es
    but not for variable templates.

            PR c++/100652

    gcc/cp/ChangeLog:

            * pt.c (push_template_decl): Check for bare parameter packs in
            the argument list of a variable template partial specialization.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp1y/var-templ69.C: New test.=