Some of JS*.cpp files in DERIVED_SOURCES_DIR was included two times. One is included explicity. The other is included after it was created.
Created attachment 88030 [details] Patch
Comment on attachment 88030 [details] Patch OK.
Comment on attachment 88030 [details] Patch Clearing flags on attachment: 88030 Committed r82800: <http://trac.webkit.org/changeset/82800>
All reviewed patches have been landed. Closing bug.