bug#122: 23.0.60; Slowdown in directory scanning over time.

[Chong Yidong]

> I'm using CVS emacs and I've noticed that it's exhibiting a very
> painful slowdown over time.  I'm primarily using JDEE for Java
> development, and when opening a new java file it can get to taking
> minutes for the file to open.  If I restart emacs things are snappy
> again.  I have tried to narrow things down and think I have found the
> problem.  When opening a java file, JDEE does a scan of library
> directories to build the project classpath, and it seems to be this
> scanning that is taking longer to evaluate.  When switching to an
> already open Java buffer, it does a quick scan looking in various
> directories for changes to the project file, and this also slows down

I can't reproduce this.  Do you still see the problem?  If so, could you
try to make a recipe for reproducing the bug?