[Bug fortran/87625] [OOP] (re)allocate on assignment fails for polymorphic array

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87625

--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Yes, can this please be back-ported? Still broken on at least 8.

This is not a regression.