[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

janus at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-09-02
                 CC|                            |janus at gcc dot gnu.org
            Summary|[OOP] multiple incompatible |[7/8 Regression] [OOP]
                   |definitions of extended     |multiple incompatible
                   |derived type via module use |definitions of extended
                   |                            |derived type via module use
     Ever confirmed|0                           |1

--- Comment #2 from janus at gcc dot gnu.org ---
(In reply to Daan van Vugt from comment #0)
> In the attached zip file are the files needed to reproduce.
> Run `make` to create `test_sep` from test_sep.f90 which prints ERR twice on
> my machine.
> Putting all the modules and the program together in one file yields a
> program that prints OK twice. (test.f90)

I can confirm that behavior with gfortran 7.1 and trunk.

Earlier versions (e.g. 6.3 and 5.1) seem to print OK twice with both variants.