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! { dg-do run }
!
! PR fortran/36132
!
! Before invalid memory was accessed because an absent, optional
! argument was packed before passing it as absent actual.
! Getting it to crash is difficult, but valgrind shows the problem.
!
MODULE M1
INTEGER, PARAMETER :: dp=KIND(0.0D0)
CONTAINS
SUBROUTINE S1(a)
REAL(dp), DIMENSION(45), INTENT(OUT), &
OPTIONAL :: a
if (present(a)) STOP 1
END SUBROUTINE S1
SUBROUTINE S2(a)
REAL(dp), DIMENSION(:, :), INTENT(OUT), &
OPTIONAL :: a
CALL S1(a)
END SUBROUTINE
END MODULE M1
USE M1
CALL S2()
END
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