Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

directive_symbol_attrs.s
# RUN: llvm-mc -triple i386-unknown-unknown %s | FileCheck %s

# CHECK: TEST0:
# CHECK: .globl a
# CHECK: .globl b
TEST0:  
        .globl a, b