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Subject: [Bug c++/94546] [10 Regression] unimplemented: unexpected AST of
 kind nontype_argument_pack
Date: Fri, 12 Feb 2021 02:47:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94546

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

https://gcc.gnu.org/g:ac001ddd0cb635dec0145bf577ac796894bda398

commit r11-7204-gac001ddd0cb635dec0145bf577ac796894bda398
Author: Jason Merrill <jason@redhat.com>
Date:   Thu Feb 11 19:45:22 2021 -0500

    c++: variadic lambda template and empty pack [PR97246]

    In get<0>, Is is empty, so the first parameter pack of the lambda is em=
pty,
    but after the fix for PR94546 we were wrongly associating it with the
    partial instantiation of 'v'.

    gcc/cp/ChangeLog:

            PR c++/97246
            PR c++/94546
            * pt.c (extract_fnparm_pack): Check DECL_PACK_P here.
            (register_parameter_specializations): Not here.

    gcc/testsuite/ChangeLog:

            PR c++/97246
            * g++.dg/cpp2a/lambda-generic-variadic21.C: New test.=