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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,433 posts.

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2024
3036

Compilers are too smart

Last week I noticed some unexpected assembly code in a function calling std::unordered_map::find (yes, I know, friends don’t let friends use STL, but that is a topic for another discussion). I decided to investigate a bit and it turned out to be quite a journey. It was a Clang compiler, ARM-based platform, I will use…