From 092d9affb829768e652f14c82080e27893e1f022 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Fri, 15 Dec 2017 16:33:19 +0800
Subject: fix `reduce_vars` on `do...while` (#2596)

---
 test/compress/reduce_vars.js | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

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

diff --git a/test/compress/reduce_vars.js b/test/compress/reduce_vars.js
index 9ed9c974..394bb586 100644
--- a/test/compress/reduce_vars.js
+++ b/test/compress/reduce_vars.js
@@ -4867,3 +4867,35 @@ defun_single_use_loop: {
         "true",
     ]
 }
+
+do_while: {
+    options = {
+        evaluate: true,
+        reduce_vars: true,
+    }
+    input: {
+        function f(a) {
+            do {
+                (function() {
+                    a && (c = "PASS");
+                })();
+            } while (a = 0);
+        }
+        var c = "FAIL";
+        f(1);
+        console.log(c);
+    }
+    expect: {
+        function f(a) {
+            do {
+                (function() {
+                    a && (c = "PASS");
+                })();
+            } while (a = 0);
+        }
+        var c = "FAIL";
+        f(1);
+        console.log(c);
+    }
+    expect_stdout: "PASS"
+}
-- 
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