[Bug driver/79659] Provide valid values for integer options (e.g. -Wformat) with --help= option

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79659

--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Jun 28 12:45:59 2017
New Revision: 249734

URL: https://gcc.gnu.org/viewcvs?rev=249734&root=gcc&view=rev
Log:
Introduce IntegerRange for options (PR driver/79659).

2017-06-28  Martin Liska  <mliska@suse.cz>

        PR driver/79659
        * common.opt: Add IntegerRange to various options.
        * opt-functions.awk (integer_range_info): New function.
        * optc-gen.awk: Add integer_range_info to cl_options struct.
        * opts-common.c (decode_cmdline_option): Handle
        CL_ERR_INT_RANGE_ARG.
        (cmdline_handle_error): Likewise.
        * opts.c (print_filtered_help): Show valid interval in
        when --help is provided.
        * opts.h (struct cl_option): Add range_min and range_max fields.
        * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
2017-06-28  Martin Liska  <mliska@suse.cz>

        PR driver/79659
        * c.opt: Add IntegerRange to various options.
2017-06-28  Martin Liska  <mliska@suse.cz>

        PR driver/79659
        * g++.dg/opt/pr79659.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr79659.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c.opt
    trunk/gcc/common.opt
    trunk/gcc/config/i386/i386.opt
    trunk/gcc/opt-functions.awk
    trunk/gcc/optc-gen.awk
    trunk/gcc/opts-common.c
    trunk/gcc/opts.c
    trunk/gcc/opts.h
    trunk/gcc/testsuite/ChangeLog