2015-11-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/68237
	* decl.c (gfc_match_submod_proc): Test the interface symbol
	before accessing its attributes.

2015-11-20  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/66762
	(gfc_get_symbol_decl): Test for attr.used_in_submodule as well
	as attr.use_assoc (twice).
	(gfc_create_module_variable): Ditto.

2015-11-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/68237
	* gfortran.dg/submodule_12.f90: New test

	PR fortran/66762
	* gfortran.dg/submodule_6.f90: Add compile option -flto.

From-SVN: r230661