[Bug fortran/67564] Segfault on sourced allocattion statement with class(*) arrays

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67564

--- Comment #13 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Created attachment 39966 [details]
> Fix for testcase in comment 9

Works as advertised.