Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

fixit-recompile.c
// RUN: %clang_cc1 -Werror -pedantic %s -fixit-recompile -fixit-to-temporary -E -o - | FileCheck %s
// RUN: not %clang_cc1 -Werror -pedantic %s -fixit-recompile -fixit-to-temporary -fix-only-warnings

_Complex cd;

// CHECK: _Complex double cd;