@romin @idiot @Zergling_man @lanodan @mangeurdenuage @sun Yeah, RISC-V is totally a Worse is Better, New Jersey macroarchitecture, they even go so far as to say "well, C and Java don't care about this..." in the official architecture document not long after they launched.
But you're already going to have to compromise a lot to have open hardware, so adding instructions to check for integer overflow etc. probably isn't a huge thing if you can get a fast enough part to begin with.
As to your two previous comments, we're talking about the 1% who for example already run a Linux/BSD desktop. And we have to start somewhere, there's always going to be a supply chain, software or hardware.