Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: rm -rf %t // RUN: %clang_cc1 -fimplicit-module-maps -fmodules-cache-path=%t -fmodules-decluse -fmodule-name=XN -I %S/Inputs/declare-use %s -verify #include "sub.h" const int a = sub; // expected-no-diagnostics