Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

elide-call-reference.cpp
// RUN: %clang_cc1 %s -emit-llvm -triple %itanium_abi_triple -o - | FileCheck %s
// PR5695

struct A { A(const A&); ~A(); };
A& a();
void b() {
  A x = a();
}

// CHECK: call {{.*}} @_ZN1AC1ERKS_
// CHECK: call {{.*}} @_ZN1AD1Ev