scala/scala — pull request #452 by dragos (2012-04-30 10:14:38+00:00)
Title: Fixed `Setting.enabling` to properly disable dependent settings when the...

... original setting is set to `false`.

This can be witnessed in the IDE, when explicitly setting the `-optimize` flag to false leads to setting all the dependent flags to true (`-Yinline`, `-Ydce`, `-Ycloselim`).