only use rustc attr on nightly

2024-08-24 20:36:56 +00:00 · 2024-08-24 20:36:56 +00:00 · 300da9a910
commit 300da9a910
parent f167efad2f
1 changed files with 1 additions and 1 deletions
--- 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))