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Subject: [Bug libstdc++/102425] std::error_code() does not compare equal to
 std::error_condition()
Date: Thu, 23 Sep 2021 15:08:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102425

--- Comment #2 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:ce01e2e64c340dadb55a8a24c545a13e654804d4

commit r12-3859-gce01e2e64c340dadb55a8a24c545a13e654804d4
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Sep 22 11:58:20 2021 +0100

    libstdc++: std::system_category should know meaning of zero [PR102425]

    Although 0 is not an errno value, it should still be recognized as
    corresponding to a value belonging to the generic_category().

    Signed-off-by: Jonathan Wakely <jwakely@redhat.com>

    libstdc++-v3/ChangeLog:

            PR libstdc++/102425
            * src/c++11/system_error.cc
            (system_error_category::default_error_condition): Add 0 to
            switch.
            * testsuite/19_diagnostics/error_category/102425.cc: New test.=