diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/parallel/bug976889.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/parallel/bug976889.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+if (!getBuildConfiguration().parallelJS)
+  quit(0);
+
+Array.buildPar(5, function() {
+    return [].t = encodeURI
+})