Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: not llvm-mc -arch=hexagon -filetype=asm %s 2>%t; FileCheck %s <%t { brkpt r0 = r0 } # CHECK: 3:3: error: Instruction is marked `isSolo' and cannot have other instructions in the same packet