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

[Nikita Popov via cfe-commits]

nikic wrote:

Reverted in https://github.com/llvm/llvm-project/pull/206678.

Maybe we should do https://github.com/llvm/llvm-project/pull/205822 after all?

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