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Subject: [Bug c++/98930] ICE with static variable in template function used
 as template argument
Date: Tue, 05 Oct 2021 13:50:36 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98930

--- Comment #4 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:f3930418cb82000fae3cb4e98e870428800cf295

commit r12-4186-gf3930418cb82000fae3cb4e98e870428800cf295
Author: Patrick Palka <ppalka@redhat.com>
Date:   Tue Oct 5 09:50:02 2021 -0400

    c++: templated static local var has value-dep addr [PR98930]

    Here uses_template_parms returns false for the dependent type A<&impl::=
i>,
    which causes tsubst_aggr_type to think it's non-dependent and not bother
    substituting into it, leading to breakage.

    This patch fixes this by making has_value_dependent_address also return
    true for templated static local variables.

            PR c++/98930

    gcc/cp/ChangeLog:

            * pt.c (has_value_dependent_address): Return true for a static
            local variable from a function template.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp1z/nontype4.C: New test.
            * g++.dg/cpp1z/nontype4a.C: New test.=