[Bug fortran/71862] [4.9/5/6/7 Regression] ICE in gfc_add_component_ref, at fortran/class.c:241

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71862

--- Comment #9 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
This is a 5/6 Regression. May I do the back port?