facebook/react — pull request #1197 by chenglou (2014-02-28 00:03:50+00:00)
Title: assertValidProps for updating DOM components through renderComponent

renderComponent(

, container) throws correctly,
but not when it's called a second time (i.e. updating rather than mounting).
It goes through `ReactDOMComponent.updateComponent` but there wasn't a
props assertion there.