Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
RUN: llvm-objdump --macho --private-header %p/Inputs/malformed-macho.bin %p/Inputs/empty.macho-armv7 2>&1 | FileCheck %s --check-prefix=MALFORMED MALFORMED: is not an object file MALFORMED-NEXT: Mach header