https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62034
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- Better patch: Index: gcc/lto-streamer-in.c =================================================================== --- gcc/lto-streamer-in.c (revision 213660) +++ gcc/lto-streamer-in.c (working copy) @@ -1325,13 +1325,17 @@ lto_input_tree_1 (struct lto_input_block } else if (tag == LTO_tree_scc) { - unsigned len, entry_len; - - /* Input and skip the SCC. */ - lto_input_scc (ib, data_in, &len, &entry_len); + /* Input and skip SCCs. */ + do + { + unsigned len, entry_len; + lto_input_scc (ib, data_in, &len, &entry_len); + tag = streamer_read_record_start (ib); + } + while (tag == LTO_tree_scc); /* Recurse. */ - return lto_input_tree (ib, data_in); + return lto_input_tree_1 (ib, data_in, tag, 0); } else {