* dwarf2read.c (read_structure_type): Rename from

	* dwarf2read.c (read_structure_type): Rename from
	read_structure_scope.  Don't create a symbol or call process_die.
	Return immediately if die->type is set.  Call read_type_die before
	dwarf2_add_member_fn.
	(process_structure_scope): New function.
	(read_enumeration_type, process_enumeration_scope): New functions,
	broken out from read_enumeration.  Don't create the enumeration
	type if it has already been created.
	(read_enumeration): Removed.
	(process_die): Call read_structure_type, process_structure_scope,
	read_enumeration_type, and process_enumeration_scope.  Just call
	new_symbol for base and subrange types.  Add a comment about other
	type dies.
	(read_type_die): Call read_enumeration_type.
	(add_partial_structure, new_symbol): Update comments.