8a73514c3d
This is in preparation for rewriting switch to match the "new" switch grammar. I need to make a block information structure for switch statements, and I don't want to do that on an obsolete structure. Review URL: https://chromiumcodereview.appspot.com//10392024 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@7485 260f80e4-7a28-3924-810f-c04153c831b5