[Fortran, Patch, OpenMP] PR33445 - Warn if (free format) !$OMP& is used as no continuation line

[Tobias Burnus]

Jakub Jelinek wrote:
> If you want this warning to help with transitioning fixed-form
> OpenMP code to free-form, it shouldn't warn just about !$omp&,
> but about !$ompX where X is any character but space.
>   
Good point (thanks also to Walter and Steve for the spell checking).

How about the following patch, which prints:

Warning: !$OMP at (1) starts a commented line as it neither is followed
by a space nor is a continuation line

(I'm happy to change the warning message, if someone has a better idea.)

Build & regression tested (Fortran & libgomp) on x86-64/Linux; OK for
the trunk?

Tobias
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