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Addd missing domain size assertions

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This commit is contained in:
Will Crichton 2021-08-27 11:17:27 -07:00
parent c7357270b8
commit 86bd551e4c
1 changed files with 3 additions and 1 deletions
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4
compiler/rustc_index/src/bit_set.rs
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@ -289,6 +289,7 @@ fn dense_sparse_intersect<T: Idx>(
// hybrid REL dense // hybrid REL dense
impl<T: Idx> BitRelations<BitSet<T>> for HybridBitSet<T> { impl<T: Idx> BitRelations<BitSet<T>> for HybridBitSet<T> {
fn union(&mut self, other: &BitSet<T>) -> bool { fn union(&mut self, other: &BitSet<T>) -> bool {
assert_eq!(self.domain_size(), other.domain_size);
match self { match self {
HybridBitSet::Sparse(sparse) => { HybridBitSet::Sparse(sparse) => {
// `self` is sparse and `other` is dense. To // `self` is sparse and `other` is dense. To
@ -316,6 +317,7 @@ impl<T: Idx> BitRelations<BitSet<T>> for HybridBitSet<T> {
} }
fn subtract(&mut self, other: &BitSet<T>) -> bool { fn subtract(&mut self, other: &BitSet<T>) -> bool {
assert_eq!(self.domain_size(), other.domain_size);
match self { match self {
HybridBitSet::Sparse(sparse) => { HybridBitSet::Sparse(sparse) => {
sequential_update(|elem| sparse.remove(elem), other.iter()) sequential_update(|elem| sparse.remove(elem), other.iter())
@ -325,6 +327,7 @@ impl<T: Idx> BitRelations<BitSet<T>> for HybridBitSet<T> {
} }
fn intersect(&mut self, other: &BitSet<T>) -> bool { fn intersect(&mut self, other: &BitSet<T>) -> bool {
assert_eq!(self.domain_size(), other.domain_size);
match self { match self {
HybridBitSet::Sparse(sparse) => sparse_intersect(sparse, |elem| other.contains(*elem)), HybridBitSet::Sparse(sparse) => sparse_intersect(sparse, |elem| other.contains(*elem)),
HybridBitSet::Dense(dense) => dense.intersect(other), HybridBitSet::Dense(dense) => dense.intersect(other),
@ -385,7 +388,6 @@ impl<T: Idx> BitRelations<HybridBitSet<T>> for HybridBitSet<T> {
// Both sets are sparse. Add the elements in // Both sets are sparse. Add the elements in
// `other_sparse` to `self` one at a time. This // `other_sparse` to `self` one at a time. This
// may or may not cause `self` to be densified. // may or may not cause `self` to be densified.
assert_eq!(self.domain_size(), other.domain_size());
let mut changed = false; let mut changed = false;
for elem in other_sparse.iter() { for elem in other_sparse.iter() {
changed |= self.insert(*elem); changed |= self.insert(*elem);