editing/execCommand/19087.html and editing/execCommand/19653-1.html either fail or crash after the changeset 46142.
Created attachment 33216 [details] fixes the bug in Position.h
Comment on attachment 33216 [details] fixes the bug in Position.h Fix the Tabs in the ChangeLog, and then this is fine.
Landed in http://build.webkit.org/changes/3666
<http://trac.webkit.org/changeset/46200>