Currently, if the note name is known, but the value isn't we don't print the contents. Reviewed By: jhenderson Differential Revision: https://reviews.llvm.org/D74367
This matches GNU binutils. Reviewed By: rupprecht, jhenderson, MaskRay Differential Revision: https://reviews.llvm.org/D96010
Checks that metadata and invalid message are printed. Differential Revision: https://reviews.llvm.org/D89375