! RUN: %python %S/test_symbols.py %s %flang_fc1 -fopenmp
! OpenMP Version 4.5
! 2.7.1 Loop Construct restrictions on single directive.
! A positive case

!DEF: /omp_do MainProgram
program omp_do
  !DEF: /omp_do/i ObjectEntity INTEGER(4)
  !DEF: /omp_do/n ObjectEntity INTEGER(4)
  integer i,n
  !$omp parallel
  !DEF: /omp_do/Block1/i (OmpPrivate, OmpPreDetermined) HostAssoc INTEGER(4)
  do i=1,10
    !$omp single
    print *, "hello"
    !$omp end single
  end do
  !$omp end parallel

  !$omp parallel  default(shared)
  !$omp do
  !DEF: /omp_do/Block2/Block1/i (OmpPrivate, OmpPreDetermined) HostAssoc INTEGER(4)
  !REF: /omp_do/n
  do i=1,n
    !$omp parallel
    !$omp single
    !DEF: /work EXTERNAL (Subroutine) ProcEntity
    !REF: /omp_do/Block2/Block1/i
    call work(i, 1)
    !$omp end single
    !$omp end parallel
  end do
  !$omp end do
  !$omp end parallel

end program omp_do