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 -x objective-c++ -fmodules-cache-path=%t -fmodules -fimplicit-module-maps -I %S/Inputs/va_list %s -verify // expected-no-diagnostics @import left; @import right; void g(int k, ...) { f<int>(k); }