Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -E -P %s -I%S/Inputs/include-file-and-dir -I%S/Inputs/include-file-and-dir/incdir -o - | FileCheck %s #include "file-and-dir/foo.h" // CHECK: included_foo_dot_h