Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -std=c++98 -verify %s enum E {}; enum F {}; struct A { // OK, this is an enumeration bit-field. enum E : int(0); enum F : int{0}; // expected-error {{expected '(' for function-style cast}} };