1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/extensions/bug472534.js b/js/src/tests/ecma_5/extensions/bug472534.js
new file mode 100644
index 000000000..0c7d5f3ec
--- /dev/null
+++ b/js/src/tests/ecma_5/extensions/bug472534.js
@@ -0,0 +1,30 @@
+function monthNames () {
+    return [
+      /jan(uar(y)?)?/, 0,
+      /feb(ruar(y)?)?/, 1,
+      /m\u00e4r|mar|m\u00e4rz|maerz|march/, 2,
+      /apr(il)?/, 3,
+      /ma(i|y)/, 4,
+      /jun(i|o|e)?/, 5,
+      /jul(i|y)?/, 6,
+      /aug(ust)?/, 7,
+      /sep((t)?(ember))?/, 8,
+      /o(c|k)t(ober)?/, 9,
+      /nov(ember)?/, 10,
+      /de(c|z)(ember)?/, 11
+    ];
+};
+
+var actual = '';
+var expected = '(jan(uar(y)?)?)|(feb(ruar(y)?)?)|(m\\u00e4r|mar|m\\u00e4rz|maerz|march)|(apr(il)?)|(ma(i|y))|(jun(i|o|e)?)|(jul(i|y)?)|(aug(ust)?)|(sep((t)?(ember))?)|(o(c|k)t(ober)?)|(nov(ember)?)|(de(c|z)(ember)?)';
+var mn = monthNames();
+for (var i = 0; i < mn.length; ++i) {
+    if (actual)
+        actual += '|';
+    actual += '(' + mn[i++].source + ')';
+}
+
+assertEq(actual, expected);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);