52 lines
1.7 KiB
Fortran
52 lines
1.7 KiB
Fortran
! { dg-do compile }
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! { dg-shouldfail "Invalid Fortran 2003 code" }
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! { dg-options "-std=f2003 -fall-intrinsics" }
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! PR fortran/23994
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!
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! Test PROTECTED attribute. Within the module everything is allowed.
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! Outside (use-associated): For pointers, their association status
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! may not be changed. For nonpointers, their value may not be changed.
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!
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! Test of a invalid code
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module protmod
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implicit none
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integer, Protected :: a
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integer, protected, target :: at
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integer, protected, pointer :: ap
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end module protmod
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program main
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use protmod
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implicit none
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a = 43 ! { dg-error "Assigning to PROTECTED variable" }
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ap => null() ! { dg-error "Assigning to PROTECTED variable" }
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nullify(ap) ! { dg-error "Assigning to PROTECTED variable" }
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ap => at ! { dg-error "Assigning to PROTECTED variable" }
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ap = 3 ! { dg-error "Assigning to PROTECTED variable" }
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allocate(ap) ! { dg-error "Assigning to PROTECTED variable" }
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ap = 73 ! { dg-error "Assigning to PROTECTED variable" }
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call increment(a,at) ! { dg-error "use-associated with PROTECTED attribute" }
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call pointer_assignments(ap) ! { dg-error "is use-associated with PROTECTED attribute" }
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contains
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subroutine increment(a1,a3)
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integer, intent(inout) :: a1, a3
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a1 = a1 + 1
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a3 = a3 + 1
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end subroutine increment
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subroutine pointer_assignments(p)
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integer, pointer,intent (inout) :: p
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p => null()
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end subroutine pointer_assignments
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end program main
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module prot2
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implicit none
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contains
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subroutine bar
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real, protected :: b ! { dg-error "only allowed in specification part of a module" }
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end subroutine bar
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end module prot2
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! { dg-final { cleanup-modules "protmod" } }
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