[libcxx-commits] [libcxx] [libc++] Partially implement P2846R6: `reserve_hint` (PR #206385)

[Nikolas Klauser via libcxx-commits]

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philnik777 wrote:

Can you please add some comments to make it obvious which parts are supposed to be tested where? Expression equivalence is incredibly tricky, and it seems to me like there is some amount missing (though it's hard to tell right now).

https://github.com/llvm/llvm-project/pull/206385