Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: not llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - 2>&1 | FileCheck %s # Missing .bundle_align_mode argument # CHECK: error: unknown token .bundle_align_mode imull $17, %ebx, %ebp