From 681a473dc39897e7b1f027e0ae9b1b20756196f0 Mon Sep 17 00:00:00 2001
From: alexlamsl <alexlamsl@gmail.com>
Date: Wed, 13 Dec 2017 02:33:14 +0800
Subject: [PATCH] add test

---
 test/compress/collapse_vars.js | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index 4cdf1a4e..58405801 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -3824,3 +3824,32 @@ side_effect_free_replacement: {
         x(b);
     }
 }
+
+recursive_function_replacement: {
+    rename = true
+    options = {
+        collapse_vars: true,
+        inline: true,
+        passes: 2,
+        reduce_funcs: true,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    mangle = {}
+    input: {
+        function f(a) {
+            return x(g(a));
+        }
+        function g(a) {
+            return y(f(a));
+        }
+        console.log(f(c));
+    }
+    expect: {
+        function f(n) {
+            return x(y(f(n)));
+        }
+        console.log(f(c));
+    }
+}