Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -o - -emit-interface-stubs %s | FileCheck %s // CHECK: --- !ifs-v1 // CHECK-NEXT: IfsVersion: 3.0 // CHECK-NEXT: Target: // CHECK-NEXT: Symbols: // CHECK-NEXT: ...