[Bug fortran/66929] [6 regression] ICE with iso_varying_string

[juergen.reuter at desy dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66929

--- Comment #8 from Jürgen Reuter <juergen.reuter at desy dot de> ---
Just confirmed that the fix in comment #1 works with our code and doesn't (at
least in our code) introduce any new regression.