Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

p21.cpp
// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
// expected-no-diagnostics

struct DirectInitOnly {
  explicit DirectInitOnly(DirectInitOnly&);
};

void direct_init_capture(DirectInitOnly &dio) {
  [dio] {}();
}