[Bug ada/123306] assertion failure for unfrozen mutably tagged type as actual in instance

[ebotcazou at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123306

--- Comment #11 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
*** Bug 123945 has been marked as a duplicate of this bug. ***