[cfe-commits] multifile fixits

[Chris Lattner]

On Apr 14, 2010, at 4:26 PM, Douglas Gregor wrote:

>> One thing to worry about here is parallel builds where multiple compiler instances try to fix the same error in a shared header.
> 
> 
> Yup. We should at least detect when this has happened and, perhaps, check whether the contents of the already-fixed header match what we were going to write.

Yep, if so, silently ignore the condition, if the files disagree emit a warning?