1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/alloc-dense-elements.js b/js/src/jit-test/tests/cacheir/alloc-dense-elements.js
new file mode 100644
index 0000000000..3013aa9ec1
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/alloc-dense-elements.js
@@ -0,0 +1,9 @@
+function f() {
+    for (var i=0; i<100; i++) {
+        // Int32Array to force an IC in Ion.
+        var o = (i == 20) ? new Int32Array(1) : {};
+        o[0] = i;
+        assertEq(o[0], i);
+    }
+}
+f();