pass -dump-ast to ppx driver
pass -dump-ast to ppx driver

dra27/jbuilder,janestreet/jbuilder,dra27/jbuilder,janestreet/jbuilder,dra27/jbuilder,rdavison/jbuilder,janestreet/jbuilder,dra27/jbuilder,janestreet/jbuilder,rdavison/jbuilder,janestreet/jbuilder,dra27/jbuilder,dra27/jbuilder,janestreet/jbuilder