[llvm-dev] RFC: Reducing the number of set classes in ADT

[Krzysztof Parzyszek via llvm-dev]

On 10/14/2016 1:58 PM, Justin Lebar via llvm-dev wrote:
> * SmallSet falls back to std::set<T> when it runs out of inline storage (which
>   itself is pretty bad because std::set will pwn your caches).

Can we use std::unordered_set instead?

-Krzysztof

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