Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

p4-0x.cpp
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
// expected-no-diagnostics

struct X { };
struct Y : X { };

void test_lvalue_to_rvalue_drop_cvquals(const X &x, const Y &y, const int &i) {
  (void)(X&&)x;
  (void)(int&&)i;
  (void)(X&&)y;
  (void)(Y&&)x;
}