Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
%foo = type { [8 x i8] } %bar = type { [9 x i8] } @zed = alias void (%foo*), bitcast (void (%bar*)* @xyz to void (%foo*)*) define void @xyz(%bar* %this) { entry: ret void }