Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

source-filename.ll

; Make sure that llvm-as/llvm-dis properly assemble/disassemble the
; source_filename.

; RUN: llvm-as < %s | llvm-dis | FileCheck %s

; CHECK: source_filename = "test.cc"
source_filename = "test.cc"