[svn r143] Fixed: a few bugs in debug information, still only line info, but should be correct files now :)

Fixed: tango.io.Console seems to be working now.

dmd/statement.c

@@ -1982,6 +1982,7 @@ Statement *SwitchStatement::semantic(Scope *sc)
     {	condition = condition->integralPromotions(sc);
 	condition->checkIntegral();
     }
+    condition = condition->optimize(WANTvalue);
 
     sc = sc->push();
     sc->sbreak = this;