Add alloc::raw_vec::capacity_overflow to the prefix list
Add alloc::raw_vec::capacity_overflow to the prefix list

This will help separate out https://bugzilla.mozilla.org/show_bug.cgi?id=1512440 into buckets that match the true cause.
mozilla/socorro,mozilla/socorro,mozilla/socorro,lonnen/socorro,mozilla/socorro,lonnen/socorro,mozilla/socorro,mozilla/socorro,lonnen/socorro,lonnen/socorro