Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

codegen-gnu.m
// RUN: %clang_cc1 -no-opaque-pointers -triple i386-unknown-unknown -fobjc-exceptions -fobjc-runtime=gcc -emit-llvm -o %t %s

#include "objc-language-features.inc"