33 lines
957 B
Fortran
33 lines
957 B
Fortran
! { dg-do run }
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! { dg-options "-fdump-tree-original" }
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!
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! PR fortran/36132
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!
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! Before invalid memory was accessed because an absent, optional
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! argument was packed before passing it as absent actual.
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! Getting it to crash is difficult, but valgrind shows the problem.
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!
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MODULE M1
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INTEGER, PARAMETER :: dp=KIND(0.0D0)
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CONTAINS
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SUBROUTINE S1(a)
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REAL(dp), DIMENSION(45), INTENT(OUT), &
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OPTIONAL :: a
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if (present(a)) call abort()
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END SUBROUTINE S1
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SUBROUTINE S2(a)
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REAL(dp), DIMENSION(:, :), INTENT(OUT), &
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OPTIONAL :: a
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CALL S1(a)
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END SUBROUTINE
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END MODULE M1
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USE M1
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CALL S2()
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END
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! { dg-final { scan-tree-dump-times "a != 0B \\? \\\(.*\\\) _gfortran_internal_pack" 1 "original" } }
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! { dg-final { scan-tree-dump-times "if \\(a != 0B &&" 1 "original" } }
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! { dg-final { cleanup-tree-dump "original" } }
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! { dg-final { cleanup-modules "m1" } }
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