diff options
Diffstat (limited to 'compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs')
| -rw-r--r-- | compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs b/compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs index 167f66460..23a59c128 100644 --- a/compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs +++ b/compiler/rustc_borrowck/src/region_infer/reverse_sccs.rs @@ -3,7 +3,7 @@ use crate::constraints::ConstraintSccIndex; use crate::RegionInferenceContext; use itertools::Itertools; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_data_structures::graph::vec_graph::VecGraph; use rustc_data_structures::graph::WithSuccessors; use rustc_middle::ty::RegionVid; @@ -14,7 +14,7 @@ pub(crate) struct ReverseSccGraph { graph: VecGraph<ConstraintSccIndex>, /// For each SCC, the range of `universal_regions` that use that SCC as /// their value. - scc_regions: FxHashMap<ConstraintSccIndex, Range<usize>>, + scc_regions: FxIndexMap<ConstraintSccIndex, Range<usize>>, /// All of the universal regions, in grouped so that `scc_regions` can /// index into here. universal_regions: Vec<RegionVid>, @@ -26,7 +26,7 @@ impl ReverseSccGraph { &'a self, scc0: ConstraintSccIndex, ) -> impl Iterator<Item = RegionVid> + 'a { - let mut duplicates = FxHashSet::default(); + let mut duplicates = FxIndexSet::default(); self.graph .depth_first_search(scc0) .flat_map(move |scc1| { @@ -55,7 +55,7 @@ impl RegionInferenceContext<'_> { paired_scc_regions.sort(); let universal_regions = paired_scc_regions.iter().map(|&(_, region)| region).collect(); - let mut scc_regions = FxHashMap::default(); + let mut scc_regions = FxIndexMap::default(); let mut start = 0; for (scc, group) in &paired_scc_regions.into_iter().group_by(|(scc, _)| *scc) { let group_size = group.count(); |