re PR fortran/40940 ([F03] CLASS statement)

re PR fortran/40940 ([F03] CLASS statement)

2009-08-31  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40940
	* array.c (gfc_match_array_constructor): Rename gfc_match_type_spec.
	* decl.c (gfc_match_type_spec): Rename to gfc_match_decl_type_spec,
	and reject CLASS with -std=f95.
	(gfc_match_implicit, gfc_match_data_decl,gfc_match_prefix,
	match_procedure_interface): Rename gfc_match_type_spec.
	* gfortran.h (gfc_type_compatible): Add prototype.
	* match.h (gfc_match_type_spec): Rename to gfc_match_decl_type_spec.
	* match.c (match_intrinsic_typespec): Rename to match_type_spec, and
	add handling of derived types.
	(gfc_match_allocate): Rename match_intrinsic_typespec and check
	type compatibility of derived types.
	* symbol.c (gfc_type_compatible): New function to check if two types
	are compatible.

2009-08-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40940
	* gfortran.dg/allocate_derived_1.f90: New.
	* gfortran.dg/class_3.f03: New.

Co-Authored-By: Paul Thomas <pault@gcc.gnu.org>
From-SVN: r151244