Cool, make a sci-C with all the optimisations allowed that is trivially interoperable with simple-C. Mangling the latter into the former serves no-one. How muc

Cool, make a sci-C with all the optimisations allowed that is trivially interoperable with simple-C. Mangling the latter into the former serves no-one. How much slower would removing the UB footgun make scientific code? Do you have benchmarks? Because we have endless firsthand accounts that it makes standard C useless.