[Bug libstdc++/59072] New: errc values are platform dependent but are used in error_condition

[mustrumr97 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59072

            Bug ID: 59072
           Summary: errc values are platform dependent but are used in
                    error_condition
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mustrumr97 at gmail dot com

Linux: errc::address_family_not_supported is 97.
FreeBSD: errc::address_family_not_supported is 47.
n3690 system_error synopsis: errc::address_family_not_supported is 1.

Not that platform independent.