[Bug ada/64548] Lost visibility of package System after raise

[simon at pushface dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64548

--- Comment #4 from simon at pushface dot org ---
(In reply to Arnaud Charlet from comment #3)
> I would suggest you do not use 'private with' if you write your own runtime,
> since this isn't supported by the compiler when building the runtime.
> 
> See other recommendations under PR64866.
> 
> In other words, the runtime itself cannot follow Ada's visiblity rules (this
> would cause too many issues within the compiler).

OK, thanks for the suggestions.