Rollup merge of #114286 - nbdd0121:upcast, r=compiler-errors

matthiaskrgr · web-flow · commit f59a5604f997 · 2023-07-31T16:57:56.000+02:00
Add missing feature gate in multiple_supertrait_upcastable doc Fix #112424
diff --git a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs
@@ -10,6 +10,7 @@ declare_lint! {
     /// ### Example
     ///
     /// ```rust
+    /// #![feature(multiple_supertrait_upcastable)]
     /// trait A {}
     /// trait B {}
     ///
