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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
DO i=1,100
CALL do_something()
ENDDO
CONTAINS
SUBROUTINE do_something()
IMPLICIT NONE
DO i=1,10
ENDDO
END SUBROUTINE do_something
END PROGRAM test
! { dg-output "Fortran runtime error: Loop variable has been modified" }
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