Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2012-01-11-OpaqueBitcastCrash.ll
; RUN: opt < %s -passes=instcombine -disable-output

%opaque_struct = type opaque

@G = external global [0 x %opaque_struct]

declare void @foo(%opaque_struct*)

define void @bar() {
  call void @foo(%opaque_struct* bitcast ([0 x %opaque_struct]* @G to %opaque_struct*))
  ret void
}