Compilation fails when trying to call a protected function from a public function within the derived class, when both functions carry the same constraints. Here is a repro on Compiler Explorer that compares NVCC, GCC and MSVC. [image] Compiler Explorer Compiler Explorer is an interacti…

C++20 constraints do not work well with inheritance

Robert_Crovella October 27, 2025, 8:15pm 2

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