Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

split-dwarf-addr-object-relocation.cpp
void f1();
__attribute__((always_inline)) void f2() {
  f1();
}
void f3() {
  f2();
}

// $ clang++ split-dwarf-addr-object-relocation.cpp -gsplit-dwarf -c Xclang \
//     -fdebug-compilation-dir -Xclang .