[clang] [llvm] Add llvm-extract-bundle-entry to extend llvm-objcopy (PR #169386)

[James Henderson via cfe-commits]

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jh7370 wrote:

Yes, that's the default, but I think it's still possible to build for a 32-bit architecture (and it's quite possible there are architectures out there which are technically 64-bit but with 32-bit `size_t` type after all).

https://github.com/llvm/llvm-project/pull/169386