Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

function-pointer-void-star.mm
// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics

extern "C" id (*_dealloc)(id) ;

void foo() {
        extern void *_original_dealloc;
        if (_dealloc == _original_dealloc) { }
        if (_dealloc != _original_dealloc) { }
}