Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: rm -rf %t.cache // RUN: %clang_cc1 -fmodules-cache-path=%t.cache -fmodules -fimplicit-module-maps -F %S/Inputs/bad-private-include %s -verify // expected-no-diagnostics @import Bad;