[Bug fortran/78356] [7 Regression] [OOP] segfault allocating polymorphic variable with polymorphic component with allocatable component

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78356

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Revision r241433 works, but r241509 does not.