gcc/testsuite/gfortran.dg/coarray_6.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-fcoarray=single" }
   3 !
   4 ! Coarray support -- corank declarations
   5 ! PR fortran/18918
   6 !
   7 module m2
   8   use iso_c_binding
   9   integer(c_int), bind(C) :: a[*] ! { dg-error "BIND.C. attribute conflicts with CODIMENSION" }
  10
  11   type, bind(C) :: t ! { dg-error "cannot have the ALLOCATABLE" }
  12     integer(c_int), allocatable :: a[:] ! { dg-error "cannot have the ALLOCATABLE" }
  13     integer(c_int)  :: b[*] ! { dg-error "must be allocatable" }
  14   end type t
  15 end module m2
  16
  17 subroutine bind(a) bind(C) ! { dg-error "Coarray dummy variable" }
  18   use iso_c_binding
  19   integer(c_int) :: a[*]
  20 end subroutine bind
  21
  22 subroutine allo(x) ! { dg-error "can thus not be an allocatable coarray" }
  23   integer, allocatable, intent(out) :: x[:]
  24 end subroutine allo
  25
  26 module m
  27   integer :: modvar[*] ! OK, implicit save
  28   type t
  29     complex, allocatable :: b(:,:,:,:)[:,:,:]
  30   end type t
  31 end module m
  32
  33 subroutine bar()
  34   integer, parameter :: a[*] = 4 ! { dg-error "PARAMETER attribute conflicts with CODIMENSION" }
  35   integer :: b[*] ! { dg-error "is not ALLOCATABLE, SAVE nor a dummy" }
  36 end subroutine bar
  37
  38 subroutine vol()
  39   integer,save :: a[*]
  40   block
  41     volatile :: a ! { dg-error "Specifying VOLATILE for coarray" }
  42   end block
  43 contains
  44   subroutine int()
  45     volatile :: a ! { dg-error "Specifying VOLATILE for coarray" }
  46   end subroutine int
  47 end subroutine vol
  48
  49
  50 function func() result(func2) ! { dg-error "shall not be a coarray or have a coarray component" }
  51   use m
  52   type(t) :: func2
  53 end function func
  54
  55 subroutine invalid()
  56   type t
  57     integer, allocatable :: a[:]
  58   end type t
  59   type t2
  60     type(t), allocatable :: b ! { dg-error "nonpointer, nonallocatable scalar" }
  61   end type t2
  62   type t3
  63     type(t), pointer :: c ! { dg-error "nonpointer, nonallocatable scalar" }
  64   end type t3
  65   type t4
  66     type(t) :: d(4) ! { dg-error "nonpointer, nonallocatable scalar" }
  67   end type t4
  68 end subroutine invalid
  69
  70 subroutine valid(a)
  71   integer :: a(:)[4,-1:6,4:*]
  72   type t
  73     integer, allocatable :: a[:]
  74   end type t
  75   type t2
  76     type(t) :: b
  77   end type t2
  78   type(t2), save :: xt2[*] ! { dg-error "nonpointer, nonallocatable scalar, which is not a coarray" }
  79 end subroutine valid
  80
  81 program main
  82   integer :: A[*] ! Valid, implicit SAVE attribute
  83 end program main