[PATCH] [mach-o] wire up a dylib's install-name in more places

[Tim Northover]

Hi Nick,

> The dylib-install-names.yaml file has four different RUN: groups/tests.
>
> The second one can be pulled out into its own file which has a MH_OBJECT
> and a MH_DYLIB yaml doc linked together. Then you don’t need the Inputs/

I don't think that would test the same thing. It would test the YAML
-> NormalizedFile path instead of Binary -> NormalizedFile.

Cheers.

Tim.