bug#62508: 28.2; vhdl-mode ModelSim compile warnings aren't highlighted

[Eli Zaretskii]

> From: Cyril Arnould <cyril.arnould@outlook.com>
> CC: "62508@debbugs.gnu.org" <62508@debbugs.gnu.org>
> Date: Thu, 30 Mar 2023 14:23:48 +0000
> 
> I can confirm that with the regexp above, my ModelSim also detects the 
> warnings, albeit as errors.
> 
> After some digging I found that when I was compiling with GHDL, it didn't 
> actually match with the GHDL
> regexp defined in vhdl-mode.el but with the gnu compiler regexp, which I 
> believe is defined in
> etc/compilation.txt. Makes sense since GHDL is based on GCC.
> 
> I guess differentiating between Warnings and Errors for VHDL compilers would 
> in this case be more of a
> feature request than a bug, so with Reto's fix the bug can be seen as 
> resolved.

Thanks, I installed this on the emacs-29 branch, and I'm closing this
bug.