[Bug fortran/71759] [5/6/7 Regression] ICE in enforce_single_undo_checkpoint, at fortran/symbol.c:3478

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71759

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Related to pr78033.