1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs
index e62833b35..1239d6d91 100644
--- a/compiler/rustc_passes/src/reachable.rs
+++ b/compiler/rustc_passes/src/reachable.rs
@@ -90,6 +90,10 @@ impl<'tcx> Visitor<'tcx> for ReachableContext<'tcx> {
                 .typeck_results()
                 .type_dependent_def(expr.hir_id)
                 .map(|(kind, def_id)| Res::Def(kind, def_id)),
+            hir::ExprKind::Closure(&hir::Closure { def_id, .. }) => {
+                self.reachable_symbols.insert(def_id);
+                None
+            }
             _ => None,
         };