Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
enum X { x }; enum Y { y }; enum // RUN: %clang_cc1 -fsyntax-only -code-completion-at=-:4:6 < %s -o - | FileCheck -check-prefix=CHECK-CC1 %s // CHECK-CC1: X // CHECK-CC1: Y