[Bug fortran/57530] [OOP] Wrongly rejects type_pointer => class_target (which have identical declared type)

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57530

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Created attachment 30262
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30262&action=edit
Draft patch - does not fully work, yet

Currently fails for
  x = func1()
in assign_11.f90