The 2017 paper [1] says that they "can handle most of seL4 even at optimisation level 2", presumably it got better in the meantime. Also, it's not like code ge

The 2017 paper [1] says that they "can handle most of seL4 even at optimisation level 2", presumably it got better in the meantime. Also, it's not like code generation is the only advantage of using a well-supported, externally developed compiler. It's just the one I picked as an illustrative example. GCC releases improve code generation, general usability, diagnostic format support, profilers, etc., at a rate that would be hard to match for a niche language, especially without hiring a dedicated compiler development team. [1] https://ts.data61.csiro.au/publications/nicta_full_text/6449.pdf https://ts.data61.csiro.au/publications/nicta_full_text/6449... [2] https://gcc.gnu.org/gcc-9/changes.html https://gcc.gnu.org/gcc-9/changes.html