Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
Make sure that passing --arch armv7s only shows the armv7s slice and not the armv7 slice. RUN: llvm-dwarfdump -arch armv7s %S/../dsymutil/Inputs/fat-test.arm.dylib | FileCheck %s CHECK-NOT: (armv7)