JalonSolov

With latest `V 0.4.10 566d22a`, there is still a problem, but the error message has changed: ``` ================== C compilation error (from tcc): ============== cc: /tmp/v_1000/x.01JWPKV78Q65QQBQTBKAN8SV8E.tmp.c:5638: error: 'af2' undeclared =================================================================...