[Bug fortran/57129] [4.7/4.8/4.9 Regression] ICE (segfault) in check_extended_derived_type

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57129

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> r181425 is Tobias' constructor patch.

This revision also gives pr56674.