Evidence for this has come in two forms: an expanding repertoire of previously-thought-impossible computations in Script (culminating in the BitVM's project to implement every RISC-V opcode), and ...

Java C Compiler for the 65c816, an attempt to use Java to compile C to CA65-style 65c816 assembly - specifically, the SNES's main processor (the Ricoh 5a22) and the SA1 cartridge-mounted coprocessor.