Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

BUILD.gn
executable("llvm-dwarfdump") {
  deps = [
    "//llvm/lib/DebugInfo/DWARF",
    "//llvm/lib/MC",
    "//llvm/lib/Object",
    "//llvm/lib/Support",
    "//llvm/lib/Target:AllTargetsDescs",
    "//llvm/lib/Target:AllTargetsInfos",
  ]
  sources = [
    "SectionSizes.cpp",
    "Statistics.cpp",
    "llvm-dwarfdump.cpp",
  ]
}