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Subject: [Bug c++/99377] [modules] undefined std::string_view::empty() if
 referenced in inline exported function
Date: Fri, 05 Mar 2021 19:55:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99377

--- 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:1e5cdb9f896fb220b26fd2080406504c4badf5af

commit r11-7530-g1e5cdb9f896fb220b26fd2080406504c4badf5af
Author: Nathan Sidwell <nathan@acm.org>
Date:   Fri Mar 5 10:34:23 2021 -0800

    c++: Local instantiations of imported specializations [PR 99377]

    This turned out to be the function version of the previous fix.  We
    can import an implicit specialization declaration that we need to
    instantiate.  We must mark the instantiation so we remember to stream
    it.

            PR c++/99377
            gcc/cp/
            * pt.c (instantiate_decl): Call set_instantiating_module.
            gcc/testsuite/
            * g++.dg/modules/pr99377_a.H: New.
            * g++.dg/modules/pr99377_b.C: New.
            * g++.dg/modules/pr99377_c.C: New.=