[Bug fortran/82064] [7/8 Regression] [OOP] multiple incompatible definitions of extended derived type via module use

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82064

--- Comment #8 from janus at gcc dot gnu.org ---
(In reply to janus from comment #7)
> ... which indeed fixes the issue with 'test_sep'. (Note: I have not
> regtested it yet, but I hope it will not break anything.)

To the contrary, it unfortunately produces lots of ICEs like the following:

$ gfortran-8 class_19.f03 
class_19.f03:24:0:

   allocate(foo_outer :: try3)

internal compiler error: in gfc_advance_chain, at fortran/trans.c:58