I plan to commit the attach patch on Saturday unless someone objects.

2018-05-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/70870
	* data.c (gfc_assign_data_value): Check that a data object does
	not also have default initialization.

2018-05-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/70870
	* gfortran.dg/pr70870_1.f90: New test.

-- 
Steve