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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/109871] error: call of overloaded ... is ambiguous
 (std::vector vs designated initializers)
Date: Fri, 19 May 2023 15:10:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109871

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Patrick Palka
<ppalka@gcc.gnu.org>:

https://gcc.gnu.org/g:efdcb731bbd6e20552fe878d54e59dc06af02334

commit r13-7357-gefdcb731bbd6e20552fe878d54e59dc06af02334
Author: Patrick Palka <ppalka@redhat.com>
Date:   Tue May 16 12:39:16 2023 -0400

    c++: desig init in presence of list ctor [PR109871]

    add_list_candidates has logic to reject designated initialization of a
    non-aggregate type, but this is inadvertently being suppressed if the t=
ype
    has a list constructor due to the order of case analysis, which in the
    below testcase leads to us incorrectly treating the initializer list as=
 if
    it's non-designated.  This patch fixes this by making us check for inva=
lid
    designated initialization sooner.

            PR c++/109871

    gcc/cp/ChangeLog:

            * call.cc (add_list_candidates): Check for invalid designated
            initialization sooner and even for types that have a list
            constructor.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp2a/desig27.C: New test.

    (cherry picked from commit d5e5007c4b534391c0a97be56f6024fde1a88682)=