gcc/testsuite/gfortran.dg/auto_dealloc_1.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-fdump-tree-original" }
   3 !
   4 ! PR 41586: Allocatable _scalars_ are never auto-deallocated
   5 !
   6 ! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
   7
   8 module automatic_deallocation
   9
  10   type t0
  11     integer :: i
  12   end type
  13
  14   type t1
  15     real :: pi = 3.14
  16     integer, allocatable :: j
  17   end type
  18
  19   type t2
  20     class(t0), allocatable :: k
  21   end type t2
  22
  23 contains
  24
  25   ! (1) simple allocatable scalars
  26   subroutine a
  27     integer, allocatable :: m
  28     allocate (m)
  29     m = 42
  30   end subroutine
  31
  32   ! (2) allocatable scalar CLASS variables
  33   subroutine b
  34     class(t0), allocatable :: m
  35     allocate (t0 :: m)
  36     m%i = 43
  37   end subroutine
  38
  39   ! (3) allocatable scalar components
  40   subroutine c
  41     type(t1) :: m
  42     allocate (m%j)
  43     m%j = 44
  44   end subroutine
  45
  46   ! (4) allocatable scalar CLASS components
  47   subroutine d
  48     type(t2) :: m
  49     allocate (t0 :: m%k)
  50     m%k%i = 45
  51   end subroutine
  52
  53 end module
  54
  55
  56 ! { dg-final { scan-tree-dump-times "__builtin_free" 10 "original" } }