Remove hir::Expr::attrs.

Author: cjgillot

clippy_lints/src/returns.rs

@@ -177,7 +177,8 @@ fn check_final_expr<'tcx>(
         // simple return is always "bad"
         ExprKind::Ret(ref inner) => {
             // allow `#[cfg(a)] return a; #[cfg(b)] return b;`
-            if !expr.attrs.iter().any(attr_is_cfg) {
+            let attrs = cx.tcx.hir().attrs(expr.hir_id);
+            if !attrs.iter().any(attr_is_cfg) {
                 let borrows = inner.map_or(false, |inner| last_statement_borrows(cx, inner));
                 if !borrows {
                     emit_return_lint(

clippy_lints/src/utils/inspector.rs

@@ -89,7 +89,7 @@ impl<'tcx> LateLintPass<'tcx> for DeepCodeInspector {
     //
 
     fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) {
-        if !has_attr(cx.sess(), &expr.attrs) {
+        if !has_attr(cx.sess(), cx.tcx.hir().attrs(expr.hir_id)) {
             return;
         }
         print_expr(cx, expr, 0);