diff options
Diffstat (limited to 'compiler/rustc_trait_selection/src/traits/auto_trait.rs')
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/auto_trait.rs | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index 81c72fc4b7b..fbf96833187 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -524,13 +524,15 @@ impl<'tcx> AutoTraitFinder<'tcx> { if let Entry::Occupied(v) = vid_map.entry(*smaller) { let smaller_deps = v.into_mut(); smaller_deps.larger.insert(*larger); - smaller_deps.larger.remove(&target); + // FIXME(#120456) - is `swap_remove` correct? + smaller_deps.larger.swap_remove(&target); } if let Entry::Occupied(v) = vid_map.entry(*larger) { let larger_deps = v.into_mut(); larger_deps.smaller.insert(*smaller); - larger_deps.smaller.remove(&target); + // FIXME(#120456) - is `swap_remove` correct? + larger_deps.smaller.swap_remove(&target); } } (&RegionTarget::RegionVid(v1), &RegionTarget::Region(r1)) => { @@ -543,13 +545,15 @@ impl<'tcx> AutoTraitFinder<'tcx> { if let Entry::Occupied(v) = vid_map.entry(*smaller) { let smaller_deps = v.into_mut(); smaller_deps.larger.insert(*larger); - smaller_deps.larger.remove(&target); + // FIXME(#120456) - is `swap_remove` correct? + smaller_deps.larger.swap_remove(&target); } if let Entry::Occupied(v) = vid_map.entry(*larger) { let larger_deps = v.into_mut(); larger_deps.smaller.insert(*smaller); - larger_deps.smaller.remove(&target); + // FIXME(#120456) - is `swap_remove` correct? + larger_deps.smaller.swap_remove(&target); } } } |