I’m not sure what GCC and MSVC are doing, but Clang [1] at least is in the process of developing a bytecode interpreter for running constexpr code more efficien

I’m not sure what GCC and MSVC are doing, but Clang [1] at least is in the process of developing a bytecode interpreter for running constexpr code more efficiently. It seems like it hasn’t been actively worked on in quite some time, unfortunately, based on the commit logs. [1] https://clang.llvm.org/docs/ConstantInterpreter.html https://clang.llvm.org/docs/ConstantInterpreter.html