Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: llvm-objdump -d --macho %p/Inputs/nofirst-symbol.macho-x86_64 | FileCheck %s CHECK: 0: 90 nop CHECK: _foo: CHECK: 1: c3 retq CHECK: _bar: CHECK: 2: 90 nop CHECK: 3: c3 retq