From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/tests/basic/bug1172503-2.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 js/src/jit-test/tests/basic/bug1172503-2.js

(limited to 'js/src/jit-test/tests/basic/bug1172503-2.js')

diff --git a/js/src/jit-test/tests/basic/bug1172503-2.js b/js/src/jit-test/tests/basic/bug1172503-2.js
new file mode 100644
index 000000000..2c65b7161
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1172503-2.js
@@ -0,0 +1,14 @@
+load(libdir + "immutable-prototype.js");
+
+var n = 0;
+if (globalPrototypeChainIsMutable()) {
+  this.__proto__ = new Proxy({}, {
+      has: function () {
+          if (++n === 2)
+              return false;
+          a = 0;
+      }
+  });
+  }
+a = 0;
+assertEq(a, 0);
-- 
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