How are you compiling to C? With the LLVM IR to C backend that was (is?) maintained by the Julia folks? My experience from a couple years ago was that it didn't produce output which would compile with baroque C toolchains for platforms that LLVM doesn't support... I'm giving very unsubtle side eye to you TriCore.
Well, in any case, writing a backend for rust or llvm that generates C is probably still less work than writing an entire rust compiler. Maintaining it is even orders of magnitude less work than maintaining a C++ "shadow" version of the rust compiler.
