Unboxed load/store indexed of Float32x4

tests/lib/typeddata/float32x4_unbox_regress_test.dart

Index: tests/lib/typeddata/float32x4_unbox_regress_test.dart
diff --git a/tests/lib/typeddata/float32x4_unbox_regress_test.dart b/tests/lib/typeddata/float32x4_unbox_regress_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..48563e2adef5bdf8b3be86c5e6d1d3c4905668ea
--- /dev/null
+++ b/tests/lib/typeddata/float32x4_unbox_regress_test.dart
@@ -0,0 +1,29 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Library tag to be able to run in html test framework.
+library float32x4_unbox_regress_test;
+
+import 'package:expect/expect.dart';
+import 'dart:typeddata';
+
+testListStore(array, index, value) {
+  array[index] = value;
+}
+
+main() {
+  var list;
+  var value = new Float32x4(1.0, 2.0, 3.0, 4.0);
+  var smi = 12;
+  list = new Float32x4List(8);
+  for (int i = 0; i < 3000; i++) {
+    testListStore(list, 0, value);
+  }
+
+  try {
+    // Without a proper check for SMI in the Float32x4 unbox instruction
+    // this might trigger a crash.
+    testListStore(list, 0, smi);
+  } catch (_) { }
+}