* dwarf2read.c (add_partial_structure): Remove.

	* dwarf2read.c (add_partial_structure): Remove.
	(load_partial_die): Rename to read_partial_die.
	(skip_one_die): Move prototype.
	(clear_per_cu_pointer): Rename to free_stack_comp_unit.  Always
	free the obstack.
	(dwarf2_build_psymtabs_hard): Update comments.  Move
	cleanup.  Initialize the comp_unit_obstack.  Remove hash table
	creation.
	(load_comp_unit): Initialize the comp_unit_obstack.  Remove
	hash table creation.
	(create_comp_unit_tree): Update comments.  Read less data.
	(scan_partial_symbols): Update comment.  Rename pdi_p to pdi.
	(add_partial_enumeration): Likewise.
	(add_partial_symbol): Remove psym2.
	(add_partial_namespace): Don't set the name here.
	(guess_structure_name): Make static.
	(locate_pdi_sibling): Rearrange.
	(determine_class_name): Update comment.
	(load_partial_dies): Create the hash table here.  Update comments.
	Don't use obstack_free.
	(fixup_partial_die): Add comment.  Fix typo.
	(dwarf_alloc_block): Readd comment.