[Bug fortran/68717] [6/7 Regression] New (bogus?) warnings when compiling some gfortran.dg tests with -flto after r231239

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68717

--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Is this PR (and pr68649) related to pr33097, pr40976, pr42122, and/or pr44471?