1 files changed, 4 insertions, 4 deletions
diff --git a/compiler/rustc_mir_dataflow/src/debuginfo.rs b/compiler/rustc_mir_dataflow/src/debuginfo.rs
index fd5e8cf2955..0d25ce91c9a 100644
--- a/compiler/rustc_mir_dataflow/src/debuginfo.rs
+++ b/compiler/rustc_mir_dataflow/src/debuginfo.rs
@@ -1,17 +1,17 @@
-use rustc_index::bit_set::BitSet;
+use rustc_index::bit_set::DenseBitSet;
 use rustc_middle::mir::visit::*;
 use rustc_middle::mir::*;
 
 /// Return the set of locals that appear in debuginfo.
-pub fn debuginfo_locals(body: &Body<'_>) -> BitSet<Local> {
-    let mut visitor = DebuginfoLocals(BitSet::new_empty(body.local_decls.len()));
+pub fn debuginfo_locals(body: &Body<'_>) -> DenseBitSet<Local> {
+    let mut visitor = DebuginfoLocals(DenseBitSet::new_empty(body.local_decls.len()));
     for debuginfo in body.var_debug_info.iter() {
         visitor.visit_var_debug_info(debuginfo);
     }
     visitor.0
 }
 
-struct DebuginfoLocals(BitSet<Local>);
+struct DebuginfoLocals(DenseBitSet<Local>);
 
 impl Visitor<'_> for DebuginfoLocals {
     fn visit_local(&mut self, local: Local, _: PlaceContext, _: Location) {