[Committed] PF fortran/67884 -- Check deferred requirements on function

[Steve Kargl]

I've committed the attached patch.  Read the test case
for an explanation.

2019-06-21  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/67884
	* resolve.c (deferred_requirements) : Check only the result variable.
	(resolve_fl_procedure): Check deferred requirements on functions.

2019-06-21  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/67884
	* gfortran.dg/dummy_procedure_8.f90: Remove a test that is ...
	* gfortran.dg/pr67884.f90: ... covered here.  New test.

-- 
Steve
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