[Bug fortran/78867] [7 Regression] GFortran function returning string ICE with -flto

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78867

--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Uh, my bisection failed, as it turns out r243624 fails for me..

Looking more carefully r238055 is OK, but r238821 is not.