From 3e2763a2155d9a11ed6aaed4e813f782dc53b095 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9my=20Rakic?= <remy.rakic+github@gmail.com>
Date: Sat, 24 Aug 2024 20:38:11 +0000
Subject: [PATCH] add missing associated item

---
 compiler/rustc_type_ir/src/outlives.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler/rustc_type_ir/src/outlives.rs b/compiler/rustc_type_ir/src/outlives.rs
index bfcea6a81d3..e8afaf1a480 100644
--- a/compiler/rustc_type_ir/src/outlives.rs
+++ b/compiler/rustc_type_ir/src/outlives.rs
@@ -68,6 +68,9 @@ struct OutlivesCollector<'a, I: Interner> {
 }
 
 impl<I: Interner> TypeVisitor<I> for OutlivesCollector<'_, I> {
+    #[cfg(not(feature = "nightly"))]
+    type Result = ();
+
     fn visit_ty(&mut self, ty: I::Ty) -> Self::Result {
         if !self.visited.insert(ty) {
             return;