[Bug fortran/78492] [OOP] Compiler segfault with non_overridable function in generic interface

[federico.perini at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78492

--- Comment #6 from federico <federico.perini at gmail dot com> ---
I've attached a simple test program that confirms ICE on gfortran 11.3.0. 
ICE is returned only if
- the non_overridable procedure is part of a generic type-bound interface
- that same generic is being called from another type-bound procedure