re PR middle-end/38240 (Vector type definitions not compatible with attribute target)

re PR middle-end/38240 (Vector type definitions not compatible with attribute target)

	PR 38240
	* tree.h (TYPE_MODE): Invoke vector_type_mode when needed.
	(SET_TYPE_MODE): New.
	* c-decl.c (parser_xref_tag): Use it.
	(finish_enum): Likewise.
	* tree.c (build_pointer_type_for_mode): Likewise.
	(build_reference_type_for_mode, build_index_type): Likewise.
	(build_range_type, make_vector_type): Likewise.
	(build_common_tree_nodes_2): Likewise.
	* stor-layout.c (compute_record_mode): Likewise.
	(finalize_type_size, layout_type, make_fract_type): Likewise.
	(make_accum_type, initialize_sizetypes): Likewise.
	(vector_type_mode): New.
	* function.c (allocate_struct_function): Call
	invoke_set_current_function_hook before querying anything else.

	* config/i386/i386.c (ix86_valid_target_attribute_inner_p): Add avx.

cp/
	* class.c (finish_struct_bits): Use SET_TYPE_MODE.
	* decl.c (record_unknown_type): Likewise.
	(start_enum, finish_enum): Likewise.

From-SVN: r142556