gcc/testsuite/gfortran.dg/coarray_4.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-fcoarray=single" }
   3 !
   4 ! Coarray support -- corank declarations
   5 ! PR fortran/18918
   6 !
   7
   8 subroutine valid(n, c, f)
   9   implicit none
  10   integer :: n
  11   integer, save :: a[*], b(4)[-1:4,*]
  12   real :: c(*)[1,0:3,3:*]
  13   real :: f(n)[0:n,-100:*]
  14   integer, allocatable :: d[:], e(:)[:,:]
  15   integer, save, codimension[1,*] :: g, h(7), i(6)[*], j[*]
  16   integer :: k
  17   codimension :: k[*]
  18   save :: k
  19   integer :: ii = 7
  20   block
  21     integer :: j = 5
  22     integer, save :: kk[j, *] ! { dg-error "Variable .j. cannot appear in the expression" }
  23   end block
  24 end subroutine valid
  25
  26 subroutine valid2()
  27   type t
  28     integer, allocatable :: a[:]
  29   end type t
  30   type, extends(t) :: tt
  31     integer, allocatable :: b[:]
  32   end type tt
  33   type(tt), save :: foo
  34   type(tt) :: bar
  35 end subroutine valid2
  36
  37 subroutine invalid(n)
  38   implicit none
  39   integer :: n
  40   integer :: k[*] ! { dg-error "not ALLOCATABLE, SAVE nor a dummy" }
  41   integer :: h(3)[*] ! { dg-error "not ALLOCATABLE, SAVE nor a dummy" }
  42   integer, save :: a[*]
  43   codimension :: a[1,*] ! { dg-error "Duplicate CODIMENSION attribute" }
  44   complex, save :: hh(n)[*] ! { dg-error "cannot have the SAVE attribute" }
  45   integer :: j = 6
  46
  47   integer, save :: hf1[j,*] ! { dg-error "cannot appear in the expression" }
  48   integer, save :: hf2[n,*] ! OK
  49   integer, save :: hf3(4)[j,*] ! { dg-error "cannot appear in the expression|cannot have the SAVE attribute" }
  50   integer, save :: hf4(5)[n,*] ! OK
  51
  52   integer, allocatable :: a2[*] ! { dg-error "must have deferred shape" }
  53   integer, allocatable :: a3(:)[*] ! { dg-error "must have deferred shape" }
  54   integer, allocatable :: a4[*] ! { dg-error "must have deferred shape" }
  55 end subroutine invalid
  56
  57 subroutine invalid2
  58   use iso_c_binding
  59   implicit none
  60   type t0
  61     integer, allocatable :: a[:,:,:]
  62   end type t0
  63   type t
  64   end type t
  65   type, extends(t) :: tt ! { dg-error "has a coarray component, parent type" }
  66     integer, allocatable :: a[:]
  67   end type tt
  68   type ttt
  69     integer, pointer :: a[:] ! { dg-error "must be allocatable" }
  70   end type ttt
  71   type t4
  72     integer, allocatable :: b[4,*] ! { dg-error "with deferred shape" }
  73   end type t4
  74   type t5
  75     type(c_ptr), allocatable :: p[:] ! { dg-error "shall not be a coarray" }
  76   end type t5
  77   type(t0), save :: t0_1[*] ! { dg-error "shall be a nonpointer, nonallocatable scalar" }
  78   type(t0), allocatable :: t0_2[:] ! { dg-error "shall be a nonpointer, nonallocatable scalar" }
  79   type(c_ptr), save :: pp[*] ! { dg-error "shall not be a coarray" }
  80 end subroutine invalid2
  81
  82 elemental subroutine elem(a) ! { dg-error "Coarray dummy argument" }
  83   integer, intent(in) :: a[*]
  84 end subroutine
  85
  86 function func() result(res)
  87   integer :: res[*] ! { dg-error "CODIMENSION attribute conflicts with RESULT" }
  88 end function func