gcc/testsuite/gfortran.dg/alloc_comp_constructor_6.f90

   1 ! { dg-do run }
   2 ! { dg-options "-fdefault-integer-8 -O2" }
   3 ! Tests the fix for PR34143, where the implicit type
   4 ! conversion in the derived type constructor would fail,
   5 ! when 'yy' was not allocated.  The testscase is an
   6 ! extract from alloc_comp_constructor.f90.
   7 !
   8 ! Reported by Thomas Koenig <tkoenig@gcc.gnu.org>
   9 !
  10 Program test_constructor
  11     implicit none
  12     type :: thytype
  13         integer(4) :: a(2,2)
  14     end type thytype
  15     type :: mytype
  16         integer(4), allocatable :: a(:, :)
  17         type(thytype), allocatable :: q(:)
  18     end type mytype
  19     integer, allocatable :: yy(:,:)
  20     type (thytype), allocatable :: bar(:)
  21     call non_alloc
  22     call alloc
  23 contains
  24     subroutine non_alloc
  25       type (mytype) :: x
  26       x = mytype(yy, bar)
  27       if (allocated (x%a) .or. allocated (x%q)) call abort
  28     end subroutine non_alloc
  29     subroutine alloc
  30       type (mytype) :: x
  31       allocate (yy(2,2))
  32       allocate (bar(2))
  33       yy = reshape ([10,20,30,40],[2,2])
  34       bar = thytype (reshape ([1,2,3,4],[2,2]))
  35       x = mytype(yy, bar)
  36       if (.not.allocated (x%a) .or. .not.allocated (x%q)) call abort
  37     end subroutine alloc
  38 end program test_constructor