Draging material asset on object in scene view throws null reference exceptions.

1. Open scene "Test".
2. Select material "New Material".
3. Drag material on cube.
4. You should get Error:
"NullReferenceException: Object reference not set to an instance of an object
UnityEditor.SpriteUtility.AddAnimationToGO (UnityEngine.GameObject go, UnityEngine.Sprite[] frames) (at C:/buildslave/unity/build/Editor/Mono/Sprites/SpriteUtility.cs:390)
UnityEditor.SpriteUtility.OnSceneDrag (UnityEditor.SceneView sceneView) (at C:/buildslave/unity/build/Editor/Mono/Sprites/SpriteUtility.cs:77)
UnityEditor.SceneView.CallEditorDragFunctions () (at C:/buildslave/unity/build/Editor/Mono/SceneView/SceneView.cs:1713)
UnityEditor.SceneView.HandleDragging () (at C:/buildslave/unity/build/Editor/Mono/SceneView/SceneView.cs:1744)
UnityEditor.SceneView.OnGUI () (at C:/buildslave/unity/build/Editor/Mono/SceneView/SceneView.cs:1233)
System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:222)"