From 300da9a910adda194898ee11c4f044956ee04563 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 20:36:56 +0000
Subject: [PATCH] only use rustc attr on nightly

---
 compiler/rustc_type_ir/src/search_graph/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_type_ir/src/search_graph/mod.rs b/compiler/rustc_type_ir/src/search_graph/mod.rs
index d47c9e725f35..418139c3aadc 100644
--- a/compiler/rustc_type_ir/src/search_graph/mod.rs
+++ b/compiler/rustc_type_ir/src/search_graph/mod.rs
@@ -287,7 +287,7 @@ impl<X: Cx> NestedGoals<X> {
         }
     }
 
-    #[rustc_lint_query_instability]
+    #[cfg_attr(feature = "nightly", rustc_lint_query_instability)]
     #[allow(rustc::potential_query_instability)]
     fn iter(&self) -> impl Iterator<Item = (X::Input, UsageKind)> + '_ {
         self.nested_goals.iter().map(|(i, p)| (*i, *p))