From f01cc1e413990a2da37716fbe8627d651f489fff Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Sun, 21 Apr 2019 09:49:07 +0800
Subject: unwind IIFE class patterns (#3373)

fixes #2332
---
 test/compress/collapse_vars.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

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

diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index 22a8d7ae..470f3b76 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -6157,3 +6157,24 @@ sub_property: {
     }
     expect_stdout: "PASS"
 }
+
+assign_undeclared: {
+    options = {
+        collapse_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        var A = (console.log(42), function() {});
+        B = new A();
+        console.log(typeof B);
+    }
+    expect: {
+        B = new (console.log(42), function() {})();
+        console.log(typeof B);
+    }
+    expect_stdout: [
+        "42",
+        "object",
+    ]
+}
-- 
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