[Bug driver/91172] Command line option for a wrong language is not reported with -Werror=warning_name syntax

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91172

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Jul 22 07:34:10 2019
New Revision: 273660

URL: https://gcc.gnu.org/viewcvs?rev=273660&root=gcc&view=rev
Log:
Make a warning for -Werror=wrong-language (PR driver/91172).

2019-07-22  Martin Liska  <mli...@suse.cz>

        PR driver/91172
        * opts-common.c (decode_cmdline_option): Decode
        argument of -Werror and check it for a wrong language.
        * opts-global.c (complain_wrong_lang): Remove such case.
2019-07-22  Martin Liska  <mli...@suse.cz>

        PR driver/91172
        * gcc.dg/pr91172.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr91172.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/opts-common.c
    trunk/gcc/opts-global.c
    trunk/gcc/testsuite/ChangeLog