[Bug libstdc++/67361] std::regex_error::what() should say something about the error_code

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67361

--- Comment #3 from Tim Shen <timshen at gcc dot gnu.org> ---
Author: timshen
Date: Sat Sep 19 20:56:27 2015
New Revision: 227936

URL: https://gcc.gnu.org/viewcvs?rev=227936&root=gcc&view=rev
Log:
        PR libstdc++/67361
        * include/bits/regex_error.h: Add __throw_regex_error that
        supports string.
        * include/bits/regex_automaton.h: Add more specific exception
        messages.
        * include/bits/regex_automaton.tcc: Likewise.
        * include/bits/regex_compiler.h: Likewise.
        * include/bits/regex_compiler.tcc: Likewise.
        * include/bits/regex_scanner.h: Likewise.
        * include/bits/regex_scanner.tcc: Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/regex_automaton.h
    trunk/libstdc++-v3/include/bits/regex_automaton.tcc
    trunk/libstdc++-v3/include/bits/regex_compiler.h
    trunk/libstdc++-v3/include/bits/regex_compiler.tcc
    trunk/libstdc++-v3/include/bits/regex_error.h
    trunk/libstdc++-v3/include/bits/regex_scanner.tcc