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Fix HybridBitSet port issue

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This commit is contained in:
Will Crichton 2021-08-24 18:14:39 -07:00
parent 79e0a0faf9
commit 6cf3786ba4
1 changed files with 16 additions and 3 deletions
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19
compiler/rustc_index/src/bit_set.rs
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@ -247,10 +247,13 @@ impl<T: Idx> BitRelations<BitSet<T>> for BitSet<T> {
}
}
fn sequential_update<T: Idx>(mut f: impl FnMut(T) -> bool, it: impl Iterator<Item = T>) -> bool {
fn sequential_update<T: Idx>(
mut self_update: impl FnMut(T) -> bool,
it: impl Iterator<Item = T>,
) -> bool {
let mut changed = false;
for elem in it {
changed |= f(elem);
changed |= self_update(elem);
}
changed
}
@ -342,7 +345,17 @@ impl<T: Idx> BitRelations<HybridBitSet<T>> for HybridBitSet<T> {
match self {
HybridBitSet::Sparse(self_sparse) => {
match other {
HybridBitSet::Sparse(other_sparse) => self_sparse.union(other_sparse),
HybridBitSet::Sparse(other_sparse) => {
// Both sets are sparse. Add the elements in
// `other_sparse` to `self` one at a time. This
// may or may not cause `self` to be densified.
assert_eq!(self.domain_size(), other.domain_size());
let mut changed = false;
for elem in other_sparse.iter() {
changed |= self.insert(*elem);
}
changed
}
HybridBitSet::Dense(other_dense) => {
// `self` is sparse and `other` is dense. To