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! { dg-do run }
! { dg-options "-fcheck=do" }
! { dg-shouldfail "DO check" }
!
! PR fortran/34656
! Run-time check for modifing loop variables
!
program test
implicit none
integer :: i,j
do i = 1, 10
call modLoopVar(i)
end do
contains
subroutine modLoopVar(i)
integer :: i
i = i + 1
end subroutine modLoopVar
end program test
! { dg-output "Fortran runtime error: Loop variable has been modified" }
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