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Small fixes

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This commit is contained in:
Will Crichton 2021-08-25 22:54:26 -07:00
parent 2110ac303e
commit 800d6531a9
1 changed files with 6 additions and 3 deletions
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9
compiler/rustc_index/src/bit_set.rs
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@ -271,10 +271,10 @@ fn dense_sparse_intersect<T: Idx>(
dense: &BitSet<T>,
sparse: &SparseBitSet<T>,
) -> (SparseBitSet<T>, bool) {
let n = dense.count();
let mut sparse_copy = sparse.clone();
sparse_intersect(&mut sparse_copy, |el| !dense.contains(*el));
(sparse_copy, dense.count() != n)
let n = sparse_copy.len();
(sparse_copy, n != dense.count())
}
impl<T: Idx> BitRelations<HybridBitSet<T>> for BitSet<T> {
@ -303,7 +303,10 @@ fn intersect(&mut self, other: &HybridBitSet<T>) -> bool {
match other {
HybridBitSet::Sparse(sparse) => {
let (updated, changed) = dense_sparse_intersect(self, sparse);
*self = updated.to_dense();
self.clear();
for elem in updated.iter() {
self.insert(*elem);
}
changed
}
HybridBitSet::Dense(dense) => self.intersect(dense),