Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

defaulted-ctor-loop.cpp
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s

// WARNING: This test may recurse infinitely if failing.

struct foo;
struct bar {
  bar(foo&);
};
struct foo {
  bar b;
  foo()
    : b(b) // expected-warning{{field 'b' is uninitialized}}
  {}
};