1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/unboxint.js b/js/src/jit-test/tests/basic/unboxint.js
new file mode 100644
index 0000000000..1aa4312974
--- /dev/null
+++ b/js/src/jit-test/tests/basic/unboxint.js
@@ -0,0 +1,8 @@
+function unboxint() {
+    var q = 0;
+    var o = [4];
+    for (var i = 0; i < 100; ++i)
+        q = o[0] << 1;
+    return q;
+}
+assertEq(unboxint(), 8);