Covered by lib/tests/scss_test.php
scssphp (/lib/scssphp) 1.0.2 --> 1.0.6: https://github.com/scssphp/scssphp
MDL-70301 Upgrade SCSSPHP to latest version
MDL-67114 Fix known uses of null, bool, int, float or resource as array
MDL-65761 Upgrade SCSSPHP to 0.7.5