Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

cxx2a-for-init-statement.cpp
// RUN: %clang_cc1 -emit-pch -std=c++2a -o %t %s
// RUN: %clang_cc1 -std=c++2a -x ast -ast-print %t | FileCheck %s

void f() {
  // CHECK:      for (int arr[3]; int n : arr) {
  // CHECK-NEXT: }
  for (int arr[3]; int n : arr) {}
}