Lines Matching full:stale
824 // Note: the nodes in this table can become stale. Eg. if you write a PDB,
829 // To avoid the stale nodes building up too much, we periodically (once the
836 // a program creates huge numbers of stale PDBs -- we would get this bloat
838 // stale but shortly afterwards is rewritten with a PDB and so becomes
839 // non-stale again (which happens quite often, eg. in perf/bz2). If we just
840 // remove all stale nodes as soon as possible, we just end up re-adding a
841 // lot of them in later again. The "sufficiently stale" approach avoids
846 // holding on to stale entries for 2 GCs before discarding them can lead
848 // lines are evicted as soon as they are observed to be stale during a
854 // In order to try and mitigate the problem that the "sufficiently stale"
864 // stale PDBs to reside for long periods in the table.
944 // Keep node if any of its bytes are non-stale. Using
949 // Found a non-stale byte, so keep =>
