bug#45751: [feature/native-comp] emacs keeps running 100% of CPU

[Eli Zaretskii]

> Date: Sun, 10 Jan 2021 20:14:53 +0000
> Cc: 45751@debbugs.gnu.org
> From: Andrea Corallo via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> > Compiling
> > /home/edouard/.emacs.d/elpa/color-theme-sanityinc-solarized-20200805.603/color-theme-sanityinc-solarized.el...
> 
> I see a similar issue with sanityinc-tomorrow.el, the compilation is way
> slower than any other one but it completes eventually.  I guess is the
> same issue you see and with sufficient RAM also sanityinc-solarized
> should complete.
> 
> In case of of sanityinc-tomorrow I think is because of
> `color-theme-sanityinc-tomorrow'.  This is a single function that after
> macro expansion becomes enormous.
> 
> We need to make the compiler robust against these corner cases, I'll
> have a look this week into adding some logic for that.

Maybe we should have a "no-native-compile" cookie for these cases.
After all, compiling a theme will not really speed up anything
important, right?