* lib/gcc-dg.exp (cleanup-modules): New proc.
	* gfortran.dg/allocatable_function_1.f90,
	gfortran.dg/allocate_char_star_scalar_1.f90,
	gfortran.dg/assumed_charlen_function_1.f90,
	gfortran.dg/assumed_dummy_1.f90,
	gfortran.dg/assumed_shape_ranks_1.f90,
	gfortran.dg/assumed_shape_ranks_2.f90,
	gfortran.dg/assumed_size_dt_dummy.f90,
	gfortran.dg/auto_char_dummy_array_1.f90,
	gfortran.dg/auto_char_len_3.f90,
	gfortran.dg/automatic_module_variable.f90,
	gfortran.dg/bad_automatic_objects_1.f90,
	gfortran.dg/char_array_constructor.f90,
	gfortran.dg/char_array_structure_constructor.f90,
	gfortran.dg/char_result_11.f90, gfortran.dg/char_result_9.f90,
	gfortran.dg/contained_1.f90, gfortran.dg/convert_1.f90,
	gfortran.dg/cray_pointers_5.f90, gfortran.dg/data_constraints_1.f90,
	gfortran.dg/default_initialization.f90, gfortran.dg/der_charlen_1.f90,
	gfortran.dg/der_io_2.f90, gfortran.dg/der_io_3.f90,
	gfortran.dg/derived_pointer_recursion.f90,
	gfortran.dg/derived_recursion.f90, gfortran.dg/der_pointer_1.f90,
	gfortran.dg/der_pointer_3.f90, gfortran.dg/der_pointer_4.f90,
	gfortran.dg/dummy_functions_1.f90,
	gfortran.dg/elemental_initializer_1.f90,
	gfortran.dg/elemental_non_intrinsic_dummy_1.f90,
	gfortran.dg/elemental_pointer_1.f90,
	gfortran.dg/elemental_subroutine_1.f90,
	gfortran.dg/elemental_subroutine_2.f90, gfortran.dg/entry_1.f90,
	gfortran.dg/entry_3.f90, gfortran.dg/enum_10.f90,
	gfortran.dg/equiv_constraint_3.f90, gfortran.dg/func_derived_1.f90,
	gfortran.dg/func_derived_2.f90, gfortran.dg/func_derived_3.f90,
	gfortran.dg/generic_1.f90, gfortran.dg/generic_2.f90,
	gfortran.dg/generic_3.f90, gfortran.dg/generic_4.f90,
	gfortran.dg/global_references_1.f90,
	gfortran.dg/host_used_types_1.f90, gfortran.dg/implicit_1.f90,
	gfortran.dg/implicit_2.f90, gfortran.dg/implicit_actual.f90,
	gfortran.dg/initialization_1.f90, gfortran.dg/int_1.f90,
	gfortran.dg/intent_used_1.f90, gfortran.dg/interface_1.f90,
	gfortran.dg/interface_2.f90, gfortran.dg/internal_references_2.f90,
	gfortran.dg/io_constraints_1.f90, gfortran.dg/io_constraints_2.f90,
	gfortran.dg/large_integer_kind_1.f90,
	gfortran.dg/large_real_kind_1.f90,
	gfortran.dg/module_blank_common.f90, gfortran.dg/module_commons_1.f90,
	gfortran.dg/module_double_reuse.f90,
	gfortran.dg/module_equivalence_1.f90,
	gfortran.dg/module_interface_1.f90,
	gfortran.dg/module_parameter_array_refs_1.f90,
	gfortran.dg/named_interface.f90, gfortran.dg/namelist_14.f90,
	gfortran.dg/namelist_15.f90, gfortran.dg/namelist_1.f90,
	gfortran.dg/namelist_4.f90, gfortran.dg/namelist_use.f90,
	gfortran.dg/namelist_use_only.f90, gfortran.dg/nested_modules_1.f90,
	gfortran.dg/nested_modules_2.f90, gfortran.dg/nested_modules_3.f90,
	gfortran.dg/nested_modules_4.f90, gfortran.dg/nested_modules_5.f90,
	gfortran.dg/parens_5.f90, gfortran.dg/parent_result_ref_4.f90,
	gfortran.dg/pr15164.f90, gfortran.dg/pr16861.f90,
	gfortran.dg/pr17615.f90, gfortran.dg/pr19926.f90,
	gfortran.dg/pr21177.f90, gfortran.dg/pr26246_1.f90,
	gfortran.dg/private_type_1.f90, gfortran.dg/private_type_2.f90,
	gfortran.dg/private_type_3.f90, gfortran.dg/private_type_4.f90,
	gfortran.dg/procedure_lvalue.f90, gfortran.dg/pure_byref_3.f90,
	gfortran.dg/same_name_1.f90,
	gfortran.dg/sibling_dummy_procedure_1.f90,
	gfortran.dg/sibling_dummy_procedure_2.f90,
	gfortran.dg/sibling_dummy_procedure_3.f90,
	gfortran.dg/substr_1.f90, gfortran.dg/substring_equivalence.f90,
	gfortran.dg/use_allocated_1.f90, gfortran.dg/used_dummy_types_1.f90,
	gfortran.dg/used_dummy_types_2.f90,
	gfortran.dg/used_dummy_types_3.f90,
	gfortran.dg/used_dummy_types_4.f90,
	gfortran.dg/used_dummy_types_5.f90,
	gfortran.dg/used_interface_ref.f90, gfortran.dg/used_types_1.f90,
	gfortran.dg/userdef_operator_1.f90: Use it.

From-SVN: r112264