My fix to try to stop nested flow threads from having regions associated with them in the outer flow thread wasn't complete enough. I need to patch a deeper function to stop this from happening.
Created attachment 229999 [details] Patch
Fixed in r167720.
Re-opened since this is blocked by bug 132075
This broke a bunch of things; hyatt told me to roll it out: http://build.webkit.org/results/Apple%20Mavericks%20Release%20WK1%20(Tests)/r167720%20(5445)/results.html
This blocks columns from being turned on.
Comment on attachment 229999 [details] Patch Attachment 229999 [details] did not pass mac-ews (mac): Output: http://webkit-queues.appspot.com/results/6416066171371520 New failing tests: fast/multicol/newmulticol/spanner2.html fast/multicol/newmulticol/spanner6.html fast/multicol/newmulticol/spanner4.html fast/multicol/newmulticol/clipping-top-overflow.html fast/multicol/newmulticol/spanner1.html fast/multicol/newmulticol/spanner7.html fast/multicol/newmulticol/spanner5.html fast/multicol/newmulticol/spanner3.html
Created attachment 230006 [details] Archive of layout-test-results from webkit-ews-02 for mac-mountainlion The attached test failures were seen while running run-webkit-tests on the mac-ews. Bot: webkit-ews-02 Port: mac-mountainlion Platform: Mac OS X 10.8.5
Created attachment 230007 [details] Patch
Fixed in r167723.