go test fuzz v1
[]byte("\n\t\t(ForStmt\n\t\t\tnil nil nil\n\t\t\tselect@(SelectStmt\n\t\t\t\t(CommClause\n\t\t\t\t\t(Or\n\t\t\t\t\t\t(UnaryExpr \"<-\" _)\n\t\t\t\t\t\t(AssignStmt _ _ (UnaryExpr \"<-\" _)))\n\t\t\t\t\t_)))")