Due to r108322, resolve-supplemental.pl not only resolves supplemental dependencies but also runs IDL attribute checker. For clarification, we can rename resolve-supplemental.pl to preprocess-idls.pl.
Created attachment 129016 [details] Patch
Comment on attachment 129016 [details] Patch Clearing flags on attachment: 129016 Committed r109036: <http://trac.webkit.org/changeset/109036>
All reviewed patches have been landed. Closing bug.