Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: %clang_cc1 -no-opaque-pointers -std=c++11 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s void foo(int a) { int &tmp0 = a; int &&tmp1 = 1; tmp1 = a; return; }