Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
@ RUN: llvm-mc -triple armv7-eabi -filetype asm -o - %s | FileCheck %s .syntax unified .arch armv7 .object_arch armv4 @ CHECK: .text @ CHECK: .arch armv7 @ CHECK: .object_arch armv4