In Visual Studio 2019 version 16.2 we improved the codegen of several standard library functions. Guided by your feedback on Developer Community (Inlining std::lldiv and Improved codegen for std::fmin, std::fmax, std::round, std::trunc) we focused on the variants of standard division (std::div, std::ldiv, std::lldiv) and std::isnan.
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