fix internal failing

Author: J-ZhengLi

clippy_lints/src/question_mark.rs

@@ -128,8 +128,8 @@ impl QuestionMark {
                 (is_lang_ctor(cx, path1, ResultOk) || is_lang_ctor(cx, path1, ResultErr))) ||
                 (Self::option_check_and_early_return(cx, let_expr, nested_expr) &&
                 is_lang_ctor(cx, path1, OptionSome)) && path_to_local_id(peel_blocks(if_then), bind_id);
-            let by_ref = matches!(annot, BindingAnnotation::Ref | BindingAnnotation::RefMut);
             then {
+                let by_ref = matches!(annot, BindingAnnotation::Ref | BindingAnnotation::RefMut);
                 let mut applicability = Applicability::MachineApplicable;
                 let receiver_str = snippet_with_applicability(cx, let_expr.span, "..", &mut applicability);
                 let append_semi = Self::is_semicolon_needed(if_then, if_else);
@@ -183,7 +183,7 @@ impl QuestionMark {
     /// ```
     fn is_semicolon_needed(if_then: &Expr<'_>, if_else: Option<&'_ Expr<'_>>) -> bool {
         let if_then_kind = &peel_blocks_with_stmt(if_then).kind;
-        let if_then_is_ret_stmt = matches!(if_then_kind, ExprKind::Ret(_));
+        let if_then_is_ret_stmt = matches!(if_then_kind, ExprKind::Ret(..));
 
         if if_else.is_none() {
             return if_then_is_ret_stmt;