Nadrieril e608d8f4e5 Make DefIdForest cheaper to clone ... Since `DefIdForest` contains 0 or 1 elements the large majority of the time, by allocating only in the >1 case we avoid almost all allocations, compared to `Arc<SmallVec<[DefId;1]>>`. This shaves off 0.2% on the benchmark that stresses uninhabitedness checking.		2021-01-12 20:31:58 +00:00
..
mod.rs	Make DefIdForest cheaper to clone	2021-01-12 20:31:58 +00:00