Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

rdar-8914293.c
// RUN: %clang_cc1 -fsyntax-only -verify %s

// rdar://8914293
// We want be compatible with gcc and warn, not error.

/* expected-warning {{missing terminating}} */ #define FOO "foo
/* expected-warning {{missing terminating}} */ #define KOO 'k