decl.c (gnat_to_gnu_entity): If the type requires strict alignment, then set the...

decl.c (gnat_to_gnu_entity): If the type requires strict alignment, then set the RM size to the type size.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: If the
	type requires strict alignment, then set the RM size to the type size.
	Rework handling of alignment and sizes of tagged types in ASIS mode.
	(validate_size): Rename local variable and remove special handling for
	strict-alignment types.
	* gcc-interface/utils.c (finish_record_type): Constify local variables
	and use properly typed constants.

From-SVN: r272820