[PATCH] D143537: [Object][NFC] Factor out computeHeadersSize.

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo added a comment.

FYI, most (all?) use of `llvm::Optional` has been migrated to `std::optional` these days.


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  https://reviews.llvm.org/D143537/new/

https://reviews.llvm.org/D143537