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-pc-linux-gnu %s -o - | llvm-readobj -r - | FileCheck %s a: .section foo c = b b: // CHECK: 0x0 R_X86_64_PC32 .text 0x0 .long a - c