1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp/lastIndex-too-large.js b/js/src/jit-test/tests/regexp/lastIndex-too-large.js
new file mode 100644
index 0000000000..3e04042dd0
--- /dev/null
+++ b/js/src/jit-test/tests/regexp/lastIndex-too-large.js
@@ -0,0 +1,13 @@
+function test() {
+    var re = /abc.+de/y;
+    for (var i = 0; i < 100; i++) {
+        re.lastIndex = 10;
+        assertEq(re.exec("abcXdef"), null);
+        assertEq(re.lastIndex, 0);
+
+        re.lastIndex = 10;
+        assertEq(re.test("abcXdef"), false);
+        assertEq(re.lastIndex, 0);
+    }
+}
+test();