PR fortran/14976
	PR fortran/16228
	* data.c (assign_substring_data_value): Remove.
	(create_character_intializer): New function.
	(gfc_assign_data_value): Track the typespec for the current
	subobject.  Use create_character_intializer.
testsuite/
	* gfortran.dg/data_char_1.f90: New test.

From-SVN: r86256