cgraph.c (cgraph_node::verify_node): Compare against builtin by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.

2016-07-25  Richard Biener  <rguenther@suse.de>

	* cgraph.c (cgraph_node::verify_node): Compare against builtin
	by using DECL_BUILT_IN_CLASS and DECL_FUNCTION_CODE.
	* tree-chkp.c (chkp_gimple_call_builtin_p): Likewise.
	* tree-streamer.h (streamer_handle_as_builtin_p): Remove.
	(streamer_get_builtin_tree): Likewise.
	(streamer_write_builtin): Likewise.
	* lto-streamer.h (LTO_builtin_decl): Remove.
	* lto-streamer-in.c (lto_read_tree_1): Remove assert.
	(lto_input_scc): Remove LTO_builtin_decl handling.
	(lto_input_tree_1): Liekwise.
	* lto-streamer-out.c (lto_output_tree_1): Remove special
	handling of builtins.
	(DFS::DFS): Likewise.
	* tree-streamer-in.c (streamer_get_builtin_tree): Remove.
	* tree-streamer-out.c (pack_ts_function_decl_value_fields): Remove
	assert.
	(streamer_write_builtin): Remove.

	lto/
	* lto.c (compare_tree_sccs_1): Remove streamer_handle_as_builtin_p uses.
	(unify_scc): Likewise.
	(lto_read_decls): Likewise.

From-SVN: r238709