Since r275326 the layout test imported/w3c/web-platform-tests/css/css-text/white-space/white-space-zero-fontsize-002.html fails with this diff https://build.webkit.org/results/GTK-Linux-64-bit-Release-Tests/r275362%20(958)/imported/w3c/web-platform-tests/css/css-text/white-space/white-space-zero-fontsize-002-diffs.html
Updated expectations on r275376
The test failure shows a deficiency with the r275326 patch.