[Bug driver/31357] document that --help and --help= options cannot be combined.

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31357

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |easyhack
                 CC|                            |sandra at codesourcery dot com

--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> ---
cc-ing the documentation maintainer who has most recently been taking care of
documentation bugs