diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/parallel/Array-buildPar.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/parallel/Array-buildPar.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+load(libdir + "parallelarray-helpers.js")
+
+function buildComprehension() {
+  // 1D comprehension
+  var p = Array.buildPar(10, function (idx) { return idx; });
+  var a = [0,1,2,3,4,5,6,7,8,9];
+  assertEqArray(p, a);
+}
+
+if (getBuildConfiguration().parallelJS)
+  buildComprehension();