On Thu, Apr 11, 2013 at 12:47 PM, Richard Biener wrote: > That said - I'm positively sure I will hit the IRA / reload > issue again when adding mandatory IL verification (though > for that they can simply drop the properties). > > So, if we ignore that "GC boundary" is global we can add > PROP_gc_safe, provided by default, removed by IRA and > re-added by reload.
What about the various pieces of GC-unsafe "black box" objects like edge->aux, basic_block->aux, loop->aux, etc.? E.g. PR56921 looks like a "struct niter_desc" gets garbage collected even though a loop still points to it via its aux field (NB I'm just guessing, not verified). Ciao! Steven
