RFC: gfc_internal_warning

[Jerry DeLisle]

On 11/07/2016 05:27 AM, Thomas Koenig wrote:
> Hello world,
> 
> I am currently working on PR 78826, to make sure that everything
> in our AST has a location.
> 
> Once that is the case, I plan to submit a version of the patch I use
> to detect the issue for trunk. Basically, it uses the expression walker
> to walk across the whole AST and complain if there is an issue.  This
> would catch the case of somebody putting in a new piece of code and
> forgetting to update the location information (which is easy to do,
> because there currently is no immediate feedback from the compiler).
> 
> Question: What short of complaint should it make?  Code generation
> is not affected by lack of location information, so a warning would
> be more appropriate. The warning would also make sure there are
> testsuite failures for any new, wrong code, and users would not
> be affected as they would be with an ICE.
> 
> I therefore propose to use a new function, gfc_internal_warning, for
> this kind of thing.
> 
> comments?
> 
>     Thomas

Yes, good idea, allows us to find things.

Jerry