Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

type-merge2.ll
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%zed = type { i16 }
define void @bar(%zed* %this)  {
  store %zed* %this, %zed** null
  ret void
}