Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: llvm-objdump -d --macho --no-show-raw-insn --full-leading-addr --print-imm-hex %p/Inputs/stub-nosyms.macho-x86_64 | FileCheck %s CHECK: 0000000000000001 callq 0x7 ## symbol stub for: _foo