40 lines
969 B
Fortran
40 lines
969 B
Fortran
! { dg-do run }
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! { dg-options "-fbounds-check" }
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! Tests the fix for PR30003, in which the 'end' of an array section
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! would not be evaluated at all if it was on the lhs of an assignment
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! or would be evaluated many times if bound checking were on.
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!
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! Contributed by Erik Edelmann <eedelmann@gcc.gnu.org>
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!
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implicit none
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integer :: a(5), b(3), cnt
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b = [ 1, 2, 3 ]
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! Check the lhs references
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cnt = 0
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a(bar(1):3) = b
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if (cnt /= 1) call abort ()
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cnt = 0
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a(1:bar(3)) = b
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if (cnt /= 1) call abort ()
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cnt = 0
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a(1:3:bar(1)) = b
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if (cnt /= 1) call abort ()
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! Check the rhs references
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cnt = 0
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a(1:3) = b(bar(1):3)
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if (cnt /= 1) call abort ()
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cnt = 0
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a(1:3) = b(1:bar(3))
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if (cnt /= 1) call abort ()
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cnt = 0
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a(1:3) = b(1:3:bar(1))
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if (cnt /= 1) call abort ()
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contains
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integer function bar(n)
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integer, intent(in) :: n
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cnt = cnt + 1
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bar = n
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end function bar
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end
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