Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang -target x86_64-apple-darwin10 \ // RUN: -Werror -cpp-precomp -fsyntax-only %s // RUN: %clang -target x86_64-apple-darwin10 \ // RUN: -Werror -no-cpp-precomp -fsyntax-only %s