Layout reftest is failing since it was introduced in r163921 <http://trac.webkit.org/changeset/163921>. Test output: http://build.webkit.org/results/EFL%20Linux%2064-bit%20Release%20WK2/r163952%20%2812873%29/fast/css3-text/css3-text-decoration/text-decoration-thickness-diffs.html
*** This bug has been marked as a duplicate of bug 129957 ***