30289
-----
11204 Crash if changes file is not writable
https://pharo.fogbugz.com/f/cases/11204
11198 Update Pharo with latest Opal
https://pharo.fogbugz.com/f/cases/11198
Diff information:
http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-Support-MarcusDenker.880.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/OpalCompiler-Core-MarcusDenker.378.diff