From a59593cac8b5acbefa07daf1fca3af6a72c9d262 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Thu, 10 Dec 2020 07:45:39 +0000
Subject: fix corner case in `loops` & `unused` (#4356)

fixes #4355
---
 test/compress/destructured.js | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'test/compress')

diff --git a/test/compress/destructured.js b/test/compress/destructured.js
index eb6834a4..82d02172 100644
--- a/test/compress/destructured.js
+++ b/test/compress/destructured.js
@@ -1777,3 +1777,32 @@ issue_4323: {
     expect_stdout: "function"
     node_version: ">=6"
 }
+
+issue_4355: {
+    options = {
+        loops: true,
+        unused: true,
+    }
+    input: {
+        var a;
+        (function({
+            [function() {
+                for (a in "foo");
+            }()]: b,
+        }) {
+            var a;
+        })(0);
+        console.log(a);
+    }
+    expect: {
+        var a;
+        (function({
+            [function() {
+                for (a in "foo");
+            }()]: b,
+        }) {})(0);
+        console.log(a);
+    }
+    expect_stdout: "2"
+    node_version: ">=6"
+}
-- 
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