Update crates/ide-db/src/syntax_helpers/node_ext.rs

Co-authored-by: Bastiaan Marinus van de Weerd <id@bm-w.eu>

Author: Veykril

crates/ide-db/src/syntax_helpers/node_ext.rs

@@ -52,9 +52,8 @@ pub fn preorder_expr(start: &ast::Expr, cb: &mut dyn FnMut(WalkEvent<ast::Expr>)
             }
         };
         if let Some(let_stmt) = node.parent().and_then(ast::LetStmt::cast) {
-            let node = Some(node.clone());
-            if node != let_stmt.initializer().map(|it| it.syntax().clone())
-                && node != let_stmt.let_else().map(|it| it.syntax().clone())
+            if let_stmt.initializer().map(|it| it.syntax() != &node).unwrap_or(true)
+                && let_stmt.let_else().map(|it| it.syntax() != &node).unwrap_or(true)
             {
                 // skipping potential const pat expressions in  let statements
                 preorder.skip_subtree();