Dwarf.Unwind: handle macOS deviation from standard

Apparently the `__eh_frame` in Mach-O binaries doesn't include the
terminator entry, but in all other respects it acts like `.eh_frame`
rather than `.debug_frame`. I have no idea.
8950831d3cmlugg committed on 9/30/2025, 12:44:56 PMparent156cd8f
3 files changedLine totals unavailable