The build bot is seeing leaks starting with build 1950 <http://build.webkit.org/builders/trunk-mac-intel-debug/builds/1950>. I cannot reproduce the leaks on my Leopard system. Given the backtraces I suspect <http://trac.webkit.org/projects/webkit/changeset/27303>.
Created attachment 17021 [details]
Comment on attachment 17021 [details]
Why did my code change cause the regression? Could we use OwnPtr here?
(In reply to comment #2)
> Why did my code change cause the regression?
It was my change that added RegExp.compile - I wrongly assumed setRegExp deleted the old value.
> Could we use OwnPtr here?
Oops, forgot about it somehow. Changed to use OwnPtr.
Committed revision 27393.