Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 %s -emit-llvm -triple %itanium_abi_triple -o - | FileCheck %s struct a { static void f(); }; void g(a *a) { // CHECK: call {{.*}}void @_ZN1a1fEv() a->f(); }