Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

static-assert.cpp
// RUN: %clang_cc1 %s -emit-llvm -o - -std=c++11 -verify
// expected-no-diagnostics

static_assert(true, "");

void f() {
  static_assert(true, "");
}