[PR fortran/71203, patch] - ICE on zero-length arrays or substrings

[Harald Anlauf]

Committed as rev.269444 to trunk, rev.269445 to 8-branch.

Thanks for the review!

Harald

On 03/06/19 00:07, Thomas Koenig wrote:
> Hi Harald,
> 
>> To the reviewer: I am not 100% sure that my solution is correct, but it
>> solves the issues reported and regtests cleanly on x86_64-pc-linux-gnu.
>>
>> OK for trunk?  Backports?
> 
> I don't see how adding the charlen to the current namespace can hurt,
> so I think this is OK.
> 
> Regarding backports:  I don't think we need to backport every bug fix
> if does not fix a regression.  (Officially, we are not even
> supposed to fix non-regressions on trunk at this point, but in practice
> this means that we should take care not to introduce risky patches.
> gfortran is not release critical, so we are free to break our own
> compiler without holding up all of gcc).
> 
> Regards
> 
>     Thomas
>