[libcxx-commits] [libcxx] [libc++][spaceship] Implements X::iterator container requirements. (PR #99343)

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llvmbot wrote:

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Failed to cherry-pick: [8d3252a](https://github.com/llvm/llvm-project/commit/8d3252a8987818171878a26e4298b4b5dbf2a7e9)

https://github.com/llvm/llvm-project/actions/runs/10081464221

Please manually backport the fix and push it to your github fork.  Once this is done, please create a [pull request](https://github.com/llvm/llvm-project/compare)

https://github.com/llvm/llvm-project/pull/99343