inline(always) on check_recursion_limit

compiler/rustc_trait_selection/src/traits/select/mod.rs

@@ -1060,6 +1060,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
     ///
     /// The weird return type of this function allows it to be used with the `try` (`?`)
     /// operator within certain functions.
+    #[inline(always)]
     fn check_recursion_limit<T: Display + TypeFoldable<'tcx>, V: Display + TypeFoldable<'tcx>>(
         &self,
         obligation: &Obligation<'tcx, T>,