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Subject: [Bug c++/103299] [11 Regression] accessing incorrect storage for
 designated init of anonymous union at constexpr context
Date: Tue, 22 Mar 2022 05:18:07 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103299

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:

https://gcc.gnu.org/g:2b2f575e6f27acc0c7ba6a3affc760bf2b96a84b

commit r11-9678-g2b2f575e6f27acc0c7ba6a3affc760bf2b96a84b
Author: Jason Merrill <jason@redhat.com>
Date:   Mon Mar 21 09:57:28 2022 -0400

    c++: designated init and aggregate members [PR103337]

    Our C++20 designated initializer handling was broken with members of cl=
ass
    type; we would find the relevant member and then try to find a member of
    the member with the same name.  Or we would sometimes ignore the design=
ator
    entirely.  The former problem is fixed by the change to reshape_init_cl=
ass,
    the latter by the change to reshape_init_r.

            PR c++/103337
            PR c++/102740
            PR c++/103299
            PR c++/102538

    gcc/cp/ChangeLog:

            * decl.c (reshape_init_class): Avoid looking for designator
            after we found it.
            (reshape_init_r): Keep looking for designator.

    gcc/testsuite/ChangeLog:

            * g++.dg/ext/flexary3.C: Remove one error.
            * g++.dg/parse/pr43765.C: Likewise.
            * g++.dg/cpp2a/desig22.C: New test.
            * g++.dg/cpp2a/desig23.C: New test.
            * g++.dg/cpp2a/desig24.C: New test.
            * g++.dg/cpp2a/desig25.C: New test.=