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-rw-r--r--compiler/rustc_smir/src/rustc_smir/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_smir/src/rustc_smir/mod.rs b/compiler/rustc_smir/src/rustc_smir/mod.rs
index 3d9f03f60de..5ff17613b4e 100644
--- a/compiler/rustc_smir/src/rustc_smir/mod.rs
+++ b/compiler/rustc_smir/src/rustc_smir/mod.rs
@@ -980,7 +980,7 @@ impl<'tcx> Stable<'tcx> for ty::BoundTyKind {
 impl<'tcx> Stable<'tcx> for ty::BoundRegionKind {
     type T = stable_mir::ty::BoundRegionKind;
 
-    fn stable(&self, _: &mut Tables<'tcx>) -> Self::T {
+    fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
         use stable_mir::ty::BoundRegionKind;
 
         match self {