Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

auto-fixit.m
/* RUN: cp %s %t
   RUN: %clang_cc1 -x objective-c -fixit %t
   RUN: %clang_cc1 -x objective-c -Werror %t
 */

// rdar://9036633

int main(void) {
  auto int i = 0;
  return i;
}