diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/parallel/bug975636.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/parallel/bug975636.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+load(libdir + "parallelarray-helpers.js");
+if (getBuildConfiguration().parallelJS) {
+  function f(x) { return [] << 0; }
+  var a = Array.buildPar(9, f);
+  var b = Array.build(9, f);
+  assertEqArray(a, b);
+}