make the reducer work in the present of embedded assignments and comma operators
make the reducer work in the present of embedded assignments and comma operators

natgla/csmith,jacekburys/csmith,natgla/csmith,Panos90/csmith,Panos90/csmith,DmitryOlshansky/dsmith,natgla/csmith,natgla/csmith,DmitryOlshansky/dsmith,DmitryOlshansky/dsmith,jacekburys/csmith,Panos90/csmith,jacekburys/csmith,jacekburys/csmith,DmitryOlshansky/dsmith,jacekburys/csmith,Panos90/csmith