1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/default_initialization_5.f90 b/gcc/testsuite/gfortran.dg/default_initialization_5.f90
new file mode 100644
index 000000000..11927619d
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/default_initialization_5.f90
@@ -0,0 +1,66 @@
+! { dg-do  run }
+! { dg-options "-fdump-tree-original" }
+!
+! PR fortran/51435
+!
+! Contributed by darmar.xxl@gmail.com
+!
+module arr_m
+    type arr_t
+        real(8), dimension(:), allocatable :: rsk
+    end type
+    type arr_t2
+        integer :: a = 77
+    end type
+end module arr_m
+!*********************
+module list_m
+    use arr_m
+    implicit none
+
+    type(arr_t2), target :: tgt
+
+    type my_list
+        type(arr_t), pointer :: head => null()
+    end type my_list
+    type my_list2
+        type(arr_t2), pointer :: head => tgt
+    end type my_list2
+end module list_m
+!***********************
+module worker_mod
+    use list_m
+    implicit none
+
+    type data_all_t
+        type(my_list) :: my_data
+    end type data_all_t
+    type data_all_t2
+        type(my_list2) :: my_data
+    end type data_all_t2
+contains
+    subroutine do_job()
+        type(data_all_t) :: dum
+        type(data_all_t2) :: dum2
+
+        if (associated(dum%my_data%head)) then
+          call abort()
+        else
+            print *, 'OK: do_job my_data%head is NOT associated'
+        end if
+
+        if (dum2%my_data%head%a /= 77) &
+          call abort()
+    end subroutine
+end module
+!***************
+program hello
+    use worker_mod
+    implicit none
+    call do_job()
+end program
+
+! { dg-final { scan-tree-dump-times "my_data.head = 0B" 1 "original" } }
+! { dg-final { scan-tree-dump-times "my_data.head = &tgt" 1 "original" } }
+! { dg-final { cleanup-tree-dump "original" } }
+! { dg-final { cleanup-modules "arr_m list_m worker_mod" } }