1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/non262/String/regress-369778.js b/js/src/tests/non262/String/regress-369778.js
new file mode 100644
index 0000000000..ad282eb461
--- /dev/null
+++ b/js/src/tests/non262/String/regress-369778.js
@@ -0,0 +1,29 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var BUGNUMBER = 369778;
+var summary =
+  "RegExpStatics::makeMatch should make an undefined value when the last " +
+  "match had an undefined capture.";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var expected = undefined;
+var actual;
+
+'x'.replace(/x(.)?/g, function(m, group) { actual = group; })
+
+print("expected: " + expected)
+print("actual: " + actual)
+
+assertEq(expected, actual)
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+