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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D49387

--- Comment #9 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:97b30a399ef561f6f37a2c08c830fdf3141bb504

commit r13-24-g97b30a399ef561f6f37a2c08c830fdf3141bb504
Author: Jason Merrill <jason@redhat.com>
Date:   Fri Apr 15 00:11:00 2022 -0400

    c++: typeid and instantiation [PR102651]

    PR49387 was a problem with initially asking for a typeid for a class
    template specialization before it was complete, and later actually fill=
ing
    in the descriptor when the class was complete, and thus disagreeing on =
the
    form of the descriptor.  I fixed that by forcing the class to be comple=
te,
    but this testcase shows why that approach is problematic.  So instead l=
et's
    adjust the type of the descriptor later if needed.

            PR c++/102651
            PR c++/49387

    gcc/cp/ChangeLog:

            * rtti.cc (get_tinfo_decl_direct): Don't complete_type.
            (emit_tinfo_decl): Update tdesc type if needed.

    gcc/testsuite/ChangeLog:

            * g++.dg/rtti/typeid-complete1.C: New test.=