1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug744285.js b/js/src/jit-test/tests/basic/bug744285.js
new file mode 100644
index 0000000000..a1033f764a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug744285.js
@@ -0,0 +1,71 @@
+// |jit-test| error: TypeError;
+var TZ_DIFF = getTimeZoneDiff();
+var now = new Date;
+var TZ_DIFF = getTimeZoneDiff();
+var now = new Date;
+var MAX_UNIX_TIMET = 2145859200;
+var RANGE_EXPANSION_AMOUNT = 60;
+function tzOffsetFromUnixTimestamp(timestamp) {
+    new Date
+  }
+function clearDSTOffsetCache(undesiredTimestamp) {
+    tzOffsetFromUnixTimestamp()
+    tzOffsetFromUnixTimestamp()
+    tzOffsetFromUnixTimestamp()
+    tzOffsetFromUnixTimestamp()
+    tzOffsetFromUnixTimestamp()
+  }
+function computeCanonicalTZOffset(timestamp) {
+    clearDSTOffsetCache()
+    tzOffsetFromUnixTimestamp()
+  }
+var TEST_TIMESTAMPS_SECONDS = [
+     0,
+     RANGE_EXPANSION_AMOUNT,
+     MAX_UNIX_TIMET,
+    ];
+var TEST_TIMESTAMPS = TEST_TIMESTAMPS_SECONDS.map(function(v) {  });
+var CORRECT_TZOFFSETS = TEST_TIMESTAMPS.map(computeCanonicalTZOffset);
+var TZ_DIFF = getTimeZoneDiff();
+var now = new Date;
+var TZ_DIFF = getTimeZoneDiff();
+var now = new Date;function getTimeZoneDiff() {
+  new Date/60
+}
+function check(b, desc) {
+    function classOf(obj) {
+        return Object.prototype.toString.call(obj);
+    }
+    function ownProperties(obj) {
+        return Object.getOwnPropertyNames(obj).
+            map(function (p) { return [p, Object.getOwnPropertyDescriptor(obj, p)]; });
+    }
+    function isCloneable(pair) {    }
+    function assertIsCloneOf(a, b, path) {
+        ca = classOf(a)
+        assertEq(ca, classOf(b), path)
+        assertEq(Object.getPrototypeOf(a), ca == "[object Object]" ? Object.prototype : Array.prototype, path)
+        pb = ownProperties(b).filter(isCloneable)
+        pa = ownProperties(a)
+        function byName(a, b) { return 0; }
+        byName
+        (pa.length, pb.length, "should see the same number of properties " + path)
+        for (var i = 0; i < pa.length; i++) {
+                gczeal(4)
+        }
+    }
+    banner = desc || String()
+    a = deserialize(serialize(b))
+    var queue = [[a, b, banner]];
+    while (queue.length) {
+        var triple = queue.shift();
+        assertIsCloneOf(triple[0], triple[1], triple[2])
+    }
+}
+check({x: 0.7, p: "forty-two", y: null, z: undefined});
+check(Object.prototype);
+b=[, , 2, 3];
+b.expando=true;
+b[5]=5;
+b[0]=0;b[4]=4;
+check(b)([, , , , , , 6])