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Subject: [Bug libstdc++/100285] experimental/net/socket/socket_base.cc fails
 on arm-eabi (r12-137)
Date: Tue, 27 Apr 2021 13:09:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100285

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>:

https://gcc.gnu.org/g:8aadb4fedb17e7a44583a7a5a4e96b1874e1ce98

commit r12-152-g8aadb4fedb17e7a44583a7a5a4e96b1874e1ce98
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Apr 27 11:07:47 2021 +0100

    libstdc++: Define net::socket_base::message_flags operators as friends =
[PR
100285]

    The overloaded operators for socket_base::message_flags should only be
    defined when the message_flags type itself is defined. Rather than
    duplicate the preprocessor conditional, this moves the operators into
    the same scope as the type, defining them as hidden friends.

    As well as fixing the bug, this has all the usual advantages of hidden
    friends (they are not visible to normal name lookup for unrelated
    types).

    For consistency, do the same for the resolver_base::flags bitmask
    operators too.

    libstdc++-v3/ChangeLog:

            PR libstdc++/100285
            * include/experimental/internet (resolver_base::flags):
            Define overloaded operators as hidden friends.
            * include/experimental/socket (socket_base::message_flags):
            Likewise.=