[libcxx-commits] [libcxx] [libc++][ranges][abi-break] Fix `movable_box` overwriting memory of data that lives in the tail padding (PR #71314)

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timsong-cpp wrote:

That said, you should be able to keep using `no_unique_address` if the destroy-and-reconstruct path is not actually engaged (i.e., the type is natively assignable)?

https://github.com/llvm/llvm-project/pull/71314