* lto.c (get_filename_for_set): Look for cgraph node and if none found, use
default name.
(lto_wpa_write_files): Write any non-empty partition.
* cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): New.
* lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
* lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
(lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
cgraph_node_set_needs_ltrans_p): Remove.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158943
138bc75d-0d04-0410-961f-
82ee72b054a4