Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
RUN: llvm-cxxfilt -h | FileCheck %s RUN: llvm-cxxfilt --help | FileCheck %s CHECK: OVERVIEW: LLVM symbol undecoration tool CHECK: USAGE: {{.*}}llvm-cxxfilt{{(.exe)?}} [options] <mangled>{{$}} CHECK: OPTIONS: CHECK: @FILE