* cgraph.h (struct varpool_node_set_def,
struct cgraph_node_set_def): Remove unused AUX pointer.
(cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use
VEC_empty macro.
* lto.c (bitmap vector): Remove.
(lto_cgraph_node_sets, lto_varpool_node_sets): Remove.
(ltrans_partition_def): New structure.
(ltrans_partition): New type and VECtor.
(new_partition): New function.
(add_cgraph_node_to_partition): New function.
(lto_1_to_1_map): Reorganize for partitions.
(lto_add_inline_clones): Remove.
(lto_add_all_inlinees): Remove.
(lto_promote_cross_file_statics): Use partitions.
(cmp_partitions): New function.
(lto_wpa_write_files): Do not call lto_add_all_inlinees;
use partitions; output files sorted by size.
From-SVN: r160034
