Hi Christian, > http://cr.openjdk.java.net/~chagedorn/8233033/webrev.00/ Is this correct? 364 set_idom(stmt, iffast_pred, dom_depth(stmt)); 366 set_idom(cloned_stmt, ifslow_pred, dom_depth(stmt)); stmt is a non CFG so it doesn't have an idom but a control? Roland.