From 1ba14eb2740f4bced99d2fc0a325c4fb623aed20 Mon Sep 17 00:00:00 2001
From: alexlamsl <alexlamsl@gmail.com>
Date: Mon, 8 Feb 2021 17:17:06 +0800
Subject: [PATCH] fix corner case in `--reduce-test`

---
 test/reduce.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/reduce.js b/test/reduce.js
index 5f192aca..bfc0c173 100644
--- a/test/reduce.js
+++ b/test/reduce.js
@@ -131,6 +131,7 @@ module.exports = function reduce_test(testcase, minify_options, reduce_options)
               case "delete":
                 return;
             }
+            if (parent instanceof U.AST_VarDef && parent.name === node) return;
             // preserve for (var xxx; ...)
             if (parent instanceof U.AST_For && parent.init === node && node instanceof U.AST_Definitions) return node;
             // preserve for (xxx in ...)