1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1216130.js b/js/src/jit-test/tests/ion/bug1216130.js
new file mode 100644
index 0000000000..68731389f7
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1216130.js
@@ -0,0 +1,50 @@
+function Obj1(x) { this.x = x; }
+function f1() {
+    var arr = [], o = {};
+    for (var i=0; i<2500; i++) {
+        arr.push(new Obj1(o));
+        if (i < 15) {
+            arr[i].x = undefined;
+            arr[i].x = Math;
+        }
+    }
+    for (var i=0; i<2500; i++) {
+        var y = (i > 2000) ? undefined : o;
+        arr[i].x = y;
+    }
+}
+f1();
+
+function f2() {
+    var arr = [], p = {};
+    for (var i=0; i<2500; i++) {
+        var x = (i < 2000) ? p : undefined;
+        var o = {x: x};
+        if (i < 5) {
+            o.x = undefined;
+            o.x = p;
+        }
+        arr.push(o);
+    }
+    for (var i=0; i<2500; i++) {
+        assertEq(arr[i].x, i < 2000 ? p : undefined);
+    }
+}
+f2();
+
+function f3() {
+    var arr = [], p = {};
+    for (var i=0; i<2500; i++) {
+        var x = (i < 2000) ? p : true;
+        var o = {x: x};
+        if (i < 5) {
+            o.x = true;
+            o.x = p;
+        }
+        arr.push(o);
+    }
+    for (var i=0; i<2500; i++) {
+        assertEq(arr[i].x, i < 2000 ? p : true);
+    }
+}
+f3();