diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testBug763384.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testBug763384.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+var caught = false;
+try {
+    ''.match('(');
+} catch (e) {
+    caught = true;
+    assertEq(e instanceof Error, true);
+    assertEq(('' + e).indexOf('SyntaxError') === -1, false);
+}
+assertEq(caught, true);