[Bug fortran/84155] [8.0 Regression] program hangs on valid code

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84155

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Also caused by r257065 as pr84141.