On Thu, Jun 7, 2018 at 2:19 PM Jan Hubicka <hubi...@ucw.cz> wrote: > > > > > gcc/ChangeLog: > > > > 2018-04-24 Martin Liska <mli...@suse.cz> > > > > * cgraph.c (symbol_table::create_edge): Always assign a new > > unique number. > > (symbol_table::free_edge): Do not recycle numbers. > > * cgraph.h (cgraph_edge::get): New method. > > * symbol-summary.h (symtab_removal): Use it. > > (symtab_duplication): Likewise. > > (call_summary::hashable_uid): Remove.
I think we should protect ourselves against overflow of the 'int' counter (and make it unsigned?!). Like with a simple gcc_assert (++edges_max_uid != 0); or so. We throw away/recompute edges often enough so that we _might_ hit 2 billion edges, no? Richard. > OK. > Honza