[Bug modula2/118761] gm2 driver doesn't behave as gcc for --help=BLA

[gaius at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118761

--- Comment #3 from Gaius Mulley <gaius at gcc dot gnu.org> ---
Created attachment 60453
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60453&action=edit
Proposed fix which allows -fsyntax-only -fhelp=BLA

Here is a propose patch which has been bootstrapped on amd64 and regression
tested.