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Subject: [Bug c++/103871] [11/12/13 Regression] co_await causes build error
Date: Wed, 15 Mar 2023 22:29:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103871

--- Comment #18 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Jason Merrill <jason@gcc.gnu.org>:

https://gcc.gnu.org/g:ea4dd8f512979db247c54d6b41377bb73699bcd7

commit r13-6702-gea4dd8f512979db247c54d6b41377bb73699bcd7
Author: Jason Merrill <jason@redhat.com>
Date:   Wed Mar 15 16:33:37 2023 -0400

    c++: co_await and initializer_list [PR103871]

    When flatten_await_stmt processes the backing array for an
initializer_list,
    we call cp_build_modify_expr to initialize the promoted variable from t=
he
    TARGET_EXPR; that needs to be accepted.

            PR c++/103871
            PR c++/98056

    gcc/cp/ChangeLog:

            * typeck.cc (cp_build_modify_expr): Allow array initialization =
of
            DECL_ARTIFICIAL variable.

    gcc/testsuite/ChangeLog:

            * g++.dg/coroutines/co-await-initlist1.C: New test.=