* cgraph.h (struct symtab_node): Add field in_init_priority_hash
	(set_init_priority, get_init_priority, set_fini_priority,
	get_fini_priority): New methods.
	* tree.c (init_priority_for_decl): Remove.
	(init_ttree): Do not initialize init priority.
	(decl_init_priority_lookup, decl_fini_priority_lookup): Rewrite.
	(decl_priority_info): Remove.
	(decl_init_priority_insert): Rewrite.
	(decl_fini_priority_insert): Rewrite.
	* tree.h (tree_priority_map_eq, tree_priority_map_hash,
	tree_priority_map_marked_p): Remove.
	* lto-cgraph.c (lto_output_node, input_node): Stream init priorities.
	* lto-streamer-out.c (hash_tree): Do not hash priorities.
	* tree-streamer-out.c (pack_ts_decl_with_vis_value_fields): Do
	not output priorities.
	(pack_ts_function_decl_value_fields): Likewise.
	* tree-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Do
	not input priorities.
	(unpack_ts_function_decl_value_fields): Likewise.
	* symtab.c (symbol_priority_map): Declare.
	(init_priority_hash): Declare.
	(symtab_unregister_node): Unregister from priority hash, too.
	(symtab_node::get_init_priority, cgraph_node::get_fini_priority):
	New methods.
	(symbol_priority_map_eq, symbol_priority_map_hash): New functions.
	(symbol_priority_info): New function.
	(symtab_node::set_init_priority, cgraph_node::set_fini_priority):
	New methods.
	* tree-core.h (tree_priority_map): Remove.

	* lto.c (compare_tree_sccs_1): Do not compare priorities.

From-SVN: r211838