Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: llvm-mc -triple x86_64-unknown-darwin %s | FileCheck %s # CHECK: __DATA,__thread_vars,thread_local_variables # CHECK: .globl _a # CHECK: _a: # CHECK: .quad 0 .tlv .globl _a _a: .quad 0 .quad 0 .quad 0