diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/parallel/ic-setproperty.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/parallel/ic-setproperty.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,111 @@
+load(libdir + "parallelarray-helpers.js");
+
+function set(o, v) {
+  // Padding to prevent inlining.
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  o.foo = v;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+  var foo = 0;
+}
+set({ foo: 0 }, 42);
+
+function testSetPropertySlot() {
+  assertArraySeqParResultsEq(
+    range(0, minItemsTestingThreshold),
+    "map",
+    function (i) {
+      var o1 = {};
+      var o2 = {};
+      var o3 = {};
+      var o4 = {};
+      // Defines .foo
+      set(o1, i + 1);
+      set(o2, i + 2);
+      set(o3, i + 3);
+      set(o4, i + 4);
+      // Sets .foo
+      set(o1, i + 5);
+      set(o2, i + 6);
+      set(o3, i + 7);
+      set(o4, i + 8);
+      return o1.foo + o2.foo + o3.foo + o4.foo;
+    });
+}
+
+function testSetArrayLength() {
+  assertArraySeqParResultsEq(
+    range(0, minItemsTestingThreshold),
+    "map",
+    function (i) {
+      var a = [];
+      a.length = i;
+      return a.length;
+    });
+}
+
+if (getBuildConfiguration().parallelJS) {
+  testSetPropertySlot();
+  testSetArrayLength();
+}