1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testBranchingUnstableObject.js b/js/src/jit-test/tests/basic/testBranchingUnstableObject.js
new file mode 100644
index 0000000000..338ae73c0b
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testBranchingUnstableObject.js
@@ -0,0 +1,13 @@
+function testBranchingUnstableObject() {
+  var x = {s: "a"};
+  var t = "";
+  for (var i=0; i < 100; ++i) {
+      if (i == 51)
+      {
+        x.s = 5;
+      }
+      t += x.s;
+  }
+  return t.length;
+}
+assertEq(testBranchingUnstableObject(), 100);