1 files changed, 8 insertions, 9 deletions
diff --git a/compiler/rustc_borrowck/src/borrow_set.rs b/compiler/rustc_borrowck/src/borrow_set.rs
index 5bb92a358..4824f6346 100644
--- a/compiler/rustc_borrowck/src/borrow_set.rs
+++ b/compiler/rustc_borrowck/src/borrow_set.rs
@@ -1,10 +1,9 @@
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]
-use crate::nll::ToRegionVid;
 use crate::path_utils::allow_two_phase_borrow;
 use crate::place_ext::PlaceExt;
 use crate::BorrowIndex;
-use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap};
+use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
 use rustc_index::bit_set::BitSet;
 use rustc_middle::mir::traversal;
 use rustc_middle::mir::visit::{MutatingUseContext, NonUseContext, PlaceContext, Visitor};
@@ -26,10 +25,10 @@ pub struct BorrowSet<'tcx> {
     /// NOTE: a given location may activate more than one borrow in the future
     /// when more general two-phase borrow support is introduced, but for now we
     /// only need to store one borrow index.
-    pub activation_map: FxHashMap<Location, Vec<BorrowIndex>>,
+    pub activation_map: FxIndexMap<Location, Vec<BorrowIndex>>,
 
     /// Map from local to all the borrows on that local.
-    pub local_map: FxHashMap<mir::Local, FxHashSet<BorrowIndex>>,
+    pub local_map: FxIndexMap<mir::Local, FxIndexSet<BorrowIndex>>,
 
     pub(crate) locals_state_at_exit: LocalsStateAtExit,
 }
@@ -175,8 +174,8 @@ struct GatherBorrows<'a, 'tcx> {
     tcx: TyCtxt<'tcx>,
     body: &'a Body<'tcx>,
     location_map: FxIndexMap<Location, BorrowData<'tcx>>,
-    activation_map: FxHashMap<Location, Vec<BorrowIndex>>,
-    local_map: FxHashMap<mir::Local, FxHashSet<BorrowIndex>>,
+    activation_map: FxIndexMap<Location, Vec<BorrowIndex>>,
+    local_map: FxIndexMap<mir::Local, FxIndexSet<BorrowIndex>>,
 
     /// When we encounter a 2-phase borrow statement, it will always
     /// be assigning into a temporary TEMP:
@@ -186,7 +185,7 @@ struct GatherBorrows<'a, 'tcx> {
     /// We add TEMP into this map with `b`, where `b` is the index of
     /// the borrow. When we find a later use of this activation, we
     /// remove from the map (and add to the "tombstone" set below).
-    pending_activations: FxHashMap<mir::Local, BorrowIndex>,
+    pending_activations: FxIndexMap<mir::Local, BorrowIndex>,
 
     locals_state_at_exit: LocalsStateAtExit,
 }
@@ -204,7 +203,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherBorrows<'a, 'tcx> {
                 return;
             }
 
-            let region = region.to_region_vid();
+            let region = region.as_var();
 
             let borrow = BorrowData {
                 kind,
@@ -279,7 +278,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherBorrows<'a, 'tcx> {
             let borrow_data = &self.location_map[&location];
             assert_eq!(borrow_data.reserve_location, location);
             assert_eq!(borrow_data.kind, kind);
-            assert_eq!(borrow_data.region, region.to_region_vid());
+            assert_eq!(borrow_data.region, region.as_var());
             assert_eq!(borrow_data.borrowed_place, place);
         }