gcc/testsuite/gfortran.dg/protected_5.f90

   1 ! { dg-do compile }
   2 ! { dg-shouldfail "Invalid Fortran 2003 code" }
   3 ! { dg-options "-std=f2003" }
   4 ! PR fortran/23994
   5 !
   6 ! Test PROTECTED attribute. Within the module everything is allowed.
   7 ! Outside (use-associated): For pointers, their association status
   8 ! may not be changed. For nonpointers, their value may not be changed.
   9 !
  10 ! Test of a invalid code
  11
  12 module good1
  13   implicit none
  14   integer              :: a
  15   integer              :: b,c
  16   protected            :: c
  17   equivalence (a,c) ! { dg-error "Either all or none of the objects in the EQUIVALENCE" }
  18 end module good1
  19
  20
  21 module bad1
  22   implicit none
  23   integer, protected   :: a
  24   integer              :: b,c
  25   protected            :: c
  26   equivalence (a,b) ! { dg-error "Either all or none of the objects in the EQUIVALENCE" }
  27 end module bad1
  28
  29 module bad2
  30   implicit none
  31   integer, protected   :: a
  32   integer              :: b,c,d
  33   protected            :: c
  34   common /one/ a,b  ! { dg-error "PROTECTED attribute conflicts with COMMON" }
  35   common /two/ c,d  ! { dg-error "PROTECTED attribute conflicts with COMMON" }
  36 end module bad2
  37
  38 module good2
  39   implicit none
  40   type myT
  41      integer :: j
  42      integer, pointer :: p
  43      real, allocatable, dimension(:) :: array
  44   end type myT
  45   type(myT), save :: t
  46   protected :: t
  47 end module good2
  48
  49 program main
  50   use good2
  51   implicit none
  52   t%j = 15             ! { dg-error "variable definition context" }
  53   nullify(t%p)         ! { dg-error "pointer association context" }
  54   allocate(t%array(15))! { dg-error "variable definition context" }
  55 end program main