Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: llvm-mc -filetype=obj -triple x86_64-apple-darwin %s -o - | llvm-readobj -r - | FileCheck %s // CHECK: Relocations [ // CHECK-NEXT: ] .section foo,bar La: Lb: .long La-Lb