[Bug c/79677] Weird handling of -Werror=

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79677

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Feb 24 23:15:56 2017
New Revision: 245728

URL: https://gcc.gnu.org/viewcvs?rev=245728&root=gcc&view=rev
Log:
        PR c/79677
        * opts.h (handle_generated_option): Add GENERATED_P argument.
        * opts-common.c (handle_option): Adjust function comment.
        (handle_generated_option): Add GENERATED_P argument, pass it to
        handle_option.
        (control_warning_option): Pass false to handle_generated_option
        GENERATED_P.
        * opts.c (maybe_default_option): Pass true to handle_generated_option
        GENERATED_P.
        * optc-gen.awk: Likewise.
ada/
        * gcc-interface/misc.c (gnat_handle_option): Pass true to
        handle_generated_option GENERATED_P.
testsuite/
        * gcc.dg/pr79677.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr79677.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ada/ChangeLog
    trunk/gcc/ada/gcc-interface/misc.c
    trunk/gcc/optc-gen.awk
    trunk/gcc/opts-common.c
    trunk/gcc/opts.c
    trunk/gcc/opts.h
    trunk/gcc/testsuite/ChangeLog