Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

mingw-thread-local.cpp
// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple x86_64-w64-mingw32 | FileCheck %s

extern thread_local int var;

int get() {
  return var;
}

// CHECK: declare extern_weak void @_ZTH3var()