r204417 - PR19215: When writing/reading a PCH that imported a module, store the location

[Aaron Ballman]

On Fri, Mar 21, 2014 at 1:05 PM, Richard Smith <richard at metafoo.co.uk> wrote:
> If you can bisect down to an individual change, that'd be great.
>
> Another possibility: the module format has changed; if your build doesn't
> include the SVN revision number, you'll need to clean out your temporary
> area.

Turns out to be totally unrelated once I got the bisects down. Sorry
for the false alarm on your commit -- it was r204426 that caused the
problems.

~Aaron