Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -triple x86_64-linux-gnu -ast-dump %s | FileCheck %s int __attribute__((target("arch=hiss,arch=woof"))) pine_tree(void) { return 4; } // CHECK-NOT: arch=hiss // CHECK-NOT: arch=woof