Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

attr-ownership.cpp
// RUN: %clang_cc1 %s -verify -fsyntax-only

class C {
  void f(int, int)
      __attribute__((ownership_returns(foo, 2)))  // expected-error {{'ownership_returns' attribute index does not match; here it is 2}}
      __attribute__((ownership_returns(foo, 3))); // expected-note {{declared with index 3 here}}
};