1! { dg-do compile }
2program p
3 backspace (err=1) ! { dg-error "UNIT number missing" }
4 endfile (err=1) ! { dg-error "UNIT number missing" }
5 flush (err=1) ! { dg-error "UNIT number missing" }
6 rewind (err=1) ! { dg-error "UNIT number missing" }
7end
8