bug#61880: Native compilation fails to generate trampolines on certain scenarios

[Al Haji-Ali]

On 13/03/2023, Richard Stallman wrote:
> I'm very glad that we now warn users about this pitfall.
> We have had bug reports over the years from users who fell
> into it.  To "fix" it would be a mistake, but a warning
> is fine.

Connecting this to bug#61917, is the compilation error there perhaps caused by 
the advice to the primitive function `delete-region`?

Is it always wrong to advice primitives? Or only those that are "involved in 
producing primitives" as Eli put it? If so, how can one tell which is which?

-- Al