Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

linker-option.c
// RUN: %clang_cc1 %s --linker-option=/include:foo -triple i686-pc-win32 -emit-llvm -o - | FileCheck %s

// CHECK: !llvm.linker.options = !{![[msvcrt:[0-9]+]]}
// CHECK: ![[msvcrt]] = !{!"/include:foo"}

int f(void);