From eb001dc1d9efbb81841410c06d854091473061ee Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Fri, 24 Nov 2017 07:26:22 +0800
Subject: fix argument/atom collision by `collapse_vars` (#2507)

fixes #2506
---
 test/compress/collapse_vars.js | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

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

diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index e89d44df..844d5b0f 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -3618,3 +3618,41 @@ issue_2497: {
         }
     }
 }
+
+issue_2506: {
+    options = {
+        collapse_vars: true,
+        reduce_vars: true,
+        unused: true,
+    }
+    input: {
+        var c = 0;
+        function f0(bar) {
+            function f1(Infinity_2) {
+                function f13(NaN) {
+                    if (false <= NaN & this >> 1 >= 0) {
+                        c++;
+                    }
+                }
+                var b_2 = f13(NaN, c++);
+            }
+            var bar = f1(-3, -1);
+        }
+        f0(false);
+        console.log(c);
+    }
+    expect: {
+        var c = 0;
+        function f0(bar) {
+            (function(Infinity_2) {
+                (function(NaN) {
+                    if (false <= 0/0 & this >> 1 >= 0)
+                        c++;
+                })(0, c++);
+            })();
+        }
+        f0(false);
+        console.log(c);
+    }
+    expect_stdout: "1"
+}
-- 
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