re PR lto/41668 (ICE in get_alias_set, at alias.c:698)

re PR lto/41668 (ICE in  get_alias_set, at alias.c:698)

2009-10-15  Richard Guenther  <rguenther@suse.de>

	PR lto/41668
	* gimple.c (compare_type_names_p): Handle anonymous names
	differently based on new mode argument.
	(gimple_types_compatible_p): For structs also compare the tags.
	(iterative_hash_type_name): Rename to ...
	(iterative_hash_name): ... this.  Hash all names.
	(iterative_hash_gimple_type): Fix hashing the struct tag of
	pointer targets.  Hash field decl names.

From-SVN: r152851