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Subject: [Bug c++/99480] [modules] ICE in import_entity_index, at
 cp/module.cc:3952
Date: Mon, 22 Mar 2021 19:41:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99480

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

https://gcc.gnu.org/g:2bfd081f1bce3fb7f791591e741723dce4e884ed

commit r11-7769-g2bfd081f1bce3fb7f791591e741723dce4e884ed
Author: Nathan Sidwell <nathan@acm.org>
Date:   Mon Mar 22 12:35:35 2021 -0700

    c++: Cross-module partial specialiations [PR 99480]

    We were not correctly handling cross-module redeclarations of
    partial-specializations.  They have their own TEMPLATE_DECL, which we
    need to locate.  I had a FIXME there about this case.  Guess it's
    fixed now.

            PR c++/99480
            gcc/cp/
            * module.cc (depset::hash::make_dependency): Propagate flags for
            partial specialization.
            (module_may_redeclare): Handle partial specialization.
            gcc/testsuite/
            * g++.dg/modules/pr99480_a.H: New.
            * g++.dg/modules/pr99480_b.H: New.=