The inspector asserts immediately when opened in TOT Safari and WebKit on Cab13A408, when m_inspectorWindow is NULL in WebInspectorProxy::windowFrameDidChange. Happens on both of the machines I have tried.
Created attachment 194533 [details]
Comment on attachment 194533 [details]
Clearing flags on attachment: 194533
Committed r146605: <http://trac.webkit.org/changeset/146605>
All reviewed patches have been landed. Closing bug.