Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -fsyntax-only -verify %s // expected-no-diagnostics class Base { protected: Base(int val); }; class Derived : public Base { public: Derived(int val); }; Derived::Derived(int val) : Base( val ) { }