[Bug libstdc++/60555] std::system_category().default_error_condition() doesn't map system errno values to std::generic_category()

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60555

--- Comment #13 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Tue Aug  7 21:38:55 2018
New Revision: 263369

URL: https://gcc.gnu.org/viewcvs?rev=263369&root=gcc&view=rev
Log:
PR libstdc++/60555 std::system_category() should recognise POSIX errno values

Backport from mainline
2018-08-03  Jonathan Wakely  <jwakely@redhat.com>

        * src/c++11/system_error.cc
        (system_error_category::default_error_condition): Add workaround for
        ENOTEMPTY and EEXIST having the same value on AIX.
        * testsuite/19_diagnostics/error_category/system_category.cc: Add
        extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.

Backport from mainline
2018-08-01  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/60555
        * src/c++11/system_error.cc
        (system_error_category::default_error_condition): New override to
        check for POSIX errno values.
        * testsuite/19_diagnostics/error_category/generic_category.cc: New
        * testsuite/19_diagnostics/error_category/system_category.cc: New
        test.

Added:
   
branches/gcc-8-branch/libstdc++-v3/testsuite/19_diagnostics/error_category/generic_category.cc
   
branches/gcc-8-branch/libstdc++-v3/testsuite/19_diagnostics/error_category/system_category.cc
Modified:
    branches/gcc-8-branch/libstdc++-v3/ChangeLog
    branches/gcc-8-branch/libstdc++-v3/src/c++11/system_error.cc