[svn r330] Implemented synchronized statements. Changed the tryfinally handlers to a more generalized EnclosingHandler. Changed ClassInfoS to be mutable so they can be used as locks. Added new BB after throw ala return/break etc.

module bug66;
import std.stdio;
class Scene { string name() { return "Scene"; } }
class Group : Scene { this () { } }
void main() { writefln((new Group).name); }