[Bug ada/66162] segfault on code using controlled types in -gnatc mode

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66162

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> In PR64866 comment 2, Arno said "Visibility in the Ada runtime do not follow
> standard Ada rules. In other words, the Ada runtime isn't implemented in
> Ada, but in a different dialect very close to Ada, with additional
> restrictions.”
> 
> He notes two of the additional restrictions: is there a writeup anywhere of
> the language restrictions and usage restrictions like this one?

I don't really know, I'm not a specialist of the runtime at all.