facebook/react — pull request #1334 by spicyj (2014-03-30 20:56:03+00:00)
Title: Don't break on top-level non-numeric object keys

Previously, this threw (in `__DEV__` only) in `ReactCurrentOwner.current.constructor.displayName` because `ReactCurrentOwner.current` is null:

``` React.renderComponent(

{{1:

, 2:

}}

,
document.body);
```