1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
! { dg-do compile }
! { dg-shouldfail "Invalid Fortran 2003 code" }
! { dg-options "-std=f2003 -fall-intrinsics" }
! PR fortran/23994
!
! Test PROTECTED attribute. Within the module everything is allowed.
! Outside (use-associated): For pointers, their association status
! may not be changed. For nonpointers, their value may not be changed.
!
! Test of a invalid code
module protmod
implicit none
integer, Protected :: a
integer, protected, target :: at
integer, protected, pointer :: ap
end module protmod
program main
use protmod
implicit none
a = 43 ! { dg-error "variable definition context" }
ap => null() ! { dg-error "pointer association context" }
nullify(ap) ! { dg-error "pointer association context" }
ap => at ! { dg-error "pointer association context" }
ap = 3 ! OK
allocate(ap) ! { dg-error "pointer association context" }
ap = 73 ! OK
call increment(a,at) ! { dg-error "variable definition context" }
call pointer_assignments(ap) ! { dg-error "pointer association context" }
contains
subroutine increment(a1,a3)
integer, intent(inout) :: a1, a3
a1 = a1 + 1
a3 = a3 + 1
end subroutine increment
subroutine pointer_assignments(p)
integer, pointer,intent (inout) :: p
p => null()
end subroutine pointer_assignments
end program main
module prot2
implicit none
contains
subroutine bar
real, protected :: b ! { dg-error "only allowed in specification part of a module" }
end subroutine bar
end module prot2
|
