Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

p2.cpp
// RUN: %clang_cc1 -fsyntax-only -verify %s
// expected-no-diagnostics

void point(int = 3, int = 4);

void test_point() {
  point(1,2); 
  point(1); 
  point();
}