The following layout test are failing on [GTK] fast/regions/overflow-in-uniform-regions-dynamic.html fast/regions/overflow-moving-below-floats-in-variable-width-regions.htm After they were turned into reftests in r155114 <http://trac.webkit.org/changeset/155114> See the results at: http://build.webkit.org/results/GTK%20Linux%2064-bit%20Debug%20WK1/r155180%20%283996%29/results.html
CSS Regions were removed in Bug 174978.