gcc/testsuite/gfortran.dg/allocate_with_source_25.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-fdump-tree-original" }
   3 !
   4 !  Test the fix for PR86481
   5 !
   6 ! Contributed by Rich Townsend  <townsend@astro.wisc.edu>
   7 !
   8 program simple_leak
   9
  10   implicit none
  11
  12   type, abstract :: foo_t
  13   end type foo_t
  14
  15   type, extends(foo_t) :: foo_a_t
  16      real(8), allocatable :: a(:)
  17   end type foo_a_t
  18
  19   type, extends(foo_t) ::  bar_t
  20      class(foo_t), allocatable :: f
  21   end type bar_t
  22
  23   integer, parameter :: N = 2
  24   integer, parameter :: D = 3
  25
  26   type(bar_t) :: b(N)
  27   integer     :: i
  28
  29   do i = 1, N
  30      b(i) = func_bar(D)
  31   end do
  32
  33   do i = 1, N
  34      deallocate (b(i)%f)
  35   end do
  36
  37 contains
  38
  39   function func_bar (D) result (b)
  40
  41     integer, intent(in) :: D
  42     type(bar_t)         :: b
  43
  44     allocate(b%f, SOURCE=func_foo(D))
  45
  46   end function func_bar
  47
  48   !****
  49
  50   function func_foo (D) result (f)
  51
  52     integer, intent(in)       :: D
  53     class(foo_t), allocatable :: f
  54
  55     allocate(f, SOURCE=func_foo_a(D)) ! Lose one of these for each allocation
  56
  57   end function func_foo
  58
  59   !****
  60
  61   function func_foo_a (D) result (f)
  62
  63     integer, intent(in) :: D
  64     type(foo_a_t)       :: f
  65
  66     allocate(f%a(D))  ! Lose one of these for each allocation => N*D*elem_size(f%a)
  67
  68   end function func_foo_a
  69
  70 end program simple_leak
  71 ! { dg-final { scan-tree-dump-times "\>_final" 6 "original" } }