gcc/testsuite/gfortran.dg/module_private_array_refs_1.f90

   1 ! { dg-do compile }
   2 ! This tests the fix for PR28735 in which an ICE would be triggered in resolve_ref
   3 ! because the references to 'a' and 'b' in the dummy arguments of mysub have
   4 ! no symtrees in module bar, being private there.
   5 !
   6 ! Contributed by  Andrew Sampson  <adsspamtrap01@yahoo.com>
   7 !
   8 !-- foo.F -----------------------------------------------
   9 module foo
  10   implicit none
  11   public
  12   integer, allocatable :: a(:), b(:)
  13 end module foo
  14
  15 !-- bar.F ---------------------------------------------
  16 module bar
  17   use foo
  18   implicit none
  19   private                !  This triggered the ICE
  20   public :: mysub        !  since a and b are not public
  21
  22 contains
  23
  24   subroutine mysub(n, parray1)
  25     integer, intent(in) :: n
  26     real, dimension(a(n):b(n)) :: parray1
  27     if ((n == 1) .and. size(parray1, 1) /= 10) STOP 1
  28     if ((n == 2) .and. size(parray1, 1) /= 42) STOP 2
  29   end subroutine mysub
  30 end module bar
  31
  32 !-- sub.F -------------------------------------------------------
  33 subroutine sub()
  34
  35   use foo
  36   use bar
  37   real :: z(100)
  38   allocate (a(2), b(2))
  39   a = (/1, 6/)
  40   b = (/10, 47/)
  41   call mysub (1, z)
  42   call mysub (2, z)
  43
  44   return
  45 end
  46
  47 !-- MAIN ------------------------------------------------------
  48   use bar
  49   call sub ()
  50 end