Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

invalid-datalayout20.ll
; RUN: not llvm-as < %s 2>&1 | FileCheck %s

target datalayout = "p:64:24:64"

; CHECK: Pointer ABI alignment must be a power of 2