From 1d835ac17de613093a538a4ab72160508197e08c Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Tue, 29 Sep 2020 00:01:38 +0100
Subject: fix corner case in `inline` (#4160)

fixes #4159
---
 test/compress/functions.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

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

diff --git a/test/compress/functions.js b/test/compress/functions.js
index 1be01167..4d753469 100644
--- a/test/compress/functions.js
+++ b/test/compress/functions.js
@@ -4808,3 +4808,24 @@ issue_4155: {
         "function",
     ]
 }
+
+issue_4159: {
+    options = {
+        collapse_vars: true,
+        inline: true,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        var a = 42, c = function(b) {
+            (b = a) && console.log(a++, b);
+        }(c = a);
+    }
+    expect: {
+        var a = 42;
+        (b = a) && console.log(a++, b);
+        var b;
+    }
+    expect_stdout: "42 42"
+}
-- 
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