[clang] [llvm] [OffloadBundler] Bound compressed bundles by header size, not magic scan (PR #205587)

[via cfe-commits]

ronlieb wrote:

> This is something for offload maintainers to decide. I think making everything little-endian is the most reliable solution, but adjusting Clang's lit configuration to allow skipping the test would also be an option.
> 
> It would probably be a good idea to remove the Clang/LLVM code duplication before making any further code changes in this area though...

@jhuber6  thoughts ?

https://github.com/llvm/llvm-project/pull/205587