Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

addr32.s
# Check that we don't accidentally strip addr32 prefix

# RUN: llvm-mc -disassemble %s -triple=x86_64 | FileCheck %s
# CHECK: addr32 callq
0x67 0xe8 0x00 0x00 0x00 0x00