Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang -o /dev/null -v -fxray-instrument -target x86_64-apple-macos10.11 -c %s // RUN: %clang -o /dev/null -v -fxray-instrument -target x86_64-apple-darwin15 -c %s // REQUIRES: x86_64 || x86_64h typedef int a;