From a5e6946f74333fc201e76bcba49d0b160edb4448 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Wed, 24 Feb 2021 20:41:21 +0000
Subject: fix corner case in `loops` (#4684)

fixes #4683
---
 test/compress/classes.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'test/compress/classes.js')

diff --git a/test/compress/classes.js b/test/compress/classes.js
index 78536094..95b4037d 100644
--- a/test/compress/classes.js
+++ b/test/compress/classes.js
@@ -596,3 +596,22 @@ issue_4681: {
     expect_stdout: "function"
     node_version: ">=12"
 }
+
+issue_4683: {
+    options = {
+        dead_code: true,
+        evaluate: true,
+        loops: true,
+    }
+    input: {
+        "use strict";
+        for (class extends null {}; void console.log("PASS"); );
+    }
+    expect: {
+        "use strict";
+        (class extends null {});
+        void console.log("PASS");
+    }
+    expect_stdout: "PASS"
+    node_version: ">=4"
+}
-- 
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