terminology: #[feature] *enables* a feature (instead of "declaring" or "activating" it)

clippy_lints/src/manual_div_ceil.rs

@@ -111,11 +111,7 @@ fn check_int_ty_and_feature(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
     let expr_ty = cx.typeck_results().expr_ty(expr);
     match expr_ty.peel_refs().kind() {
         ty::Uint(_) => true,
-        ty::Int(_) => cx
-            .tcx
-            .features()
-            .declared_features
-            .contains(&Symbol::intern("int_roundings")),
+        ty::Int(_) => cx.tcx.features().enabled(Symbol::intern("int_roundings")),
 
         _ => false,
     }