From 4fc39d8dadcec807be9d80ceb1d585f41b20c961 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Sat, 19 May 2018 05:45:14 +0800
Subject: fix corner case in `collapse_vars` (#3139)

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

(limited to 'test')

diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index c915041f..bcc8b833 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -4931,6 +4931,27 @@ collapse_rhs_lhs_2: {
     expect_stdout: "PASS"
 }
 
+collapse_rhs_loop: {
+    options = {
+        collapse_vars: true,
+    }
+    input: {
+        var s;
+        s = "<tpl>PASS</tpl>";
+        for (var m, r = /<tpl>(.*)<\/tpl>/; m = s.match(r);)
+            s = s.replace(m[0], m[1]);
+        console.log(s);
+    }
+    expect: {
+        var s;
+        s = "<tpl>PASS</tpl>";
+        for (var m, r = /<tpl>(.*)<\/tpl>/; m = s.match(r);)
+            s = s.replace(m[0], m[1]);
+        console.log(s);
+    }
+    expect_stdout: "PASS"
+}
+
 collapse_rhs_side_effects: {
     options = {
         collapse_vars: true,
-- 
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