2010-09-08  Richard Guenther  <rguenther@suse.de>

	* gimple.c (gimple_types, type_hash_cache): Move to GC memory.
	(visit): Adjust.
	(iterative_hash_gimple_type): Likewise.
	(gimple_type_hash): Likewise.
	(gimple_register_type): Likewise.
	(print_gimple_types_stats): Likewise.
	(free_gimple_type_tables): Likewise.

	lto/
	* lto.c (read_cgraph_and_symbols): Collect again after each
	file.

From-SVN: r164001