[clang] [llvm] [clang] Implement lifetime analysis for lifetime_capture_by(X) (PR #115921)

[Boaz Brickner via cfe-commits]

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bricknerb wrote:

I'm not familiar either with such a feature, but it seems it's possible to achieve, though not in a super straight forward way: For example: https://stackoverflow.com/questions/16937359/git-copy-file-preserving-history

https://github.com/llvm/llvm-project/pull/115921