[Bug fortran/61459] [4.8/4.9/4.10 Regression] segfault when assigning to allocatable function result from matmul result

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61459

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
AFAICT the patch also fixes pr58883.