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diff --git a/gcc/testsuite/gfortran.dg/derived_pointer_recursion_2.f90 b/gcc/testsuite/gfortran.dg/derived_pointer_recursion_2.f90
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+++ b/gcc/testsuite/gfortran.dg/derived_pointer_recursion_2.f90
@@ -0,0 +1,48 @@
+! { dg-do run }
+!
+! PR 40594: [4.5 Regression] wrong-code
+!
+! Original test case by Daniel Franke <dfranke@gcc.gnu.org>
+! Modified by Janus Weil <janus@gcc.gnu.org>
+
+MODULE atom_types
+
+TYPE :: atom_list
+  TYPE(atom_private), DIMENSION(:), pointer :: table
+END TYPE
+
+TYPE :: atom_private
+  TYPE(atom_list) :: neighbours
+  LOGICAL         :: initialized = .true.
+END TYPE
+
+TYPE :: atom_model
+  TYPE(atom_list) :: atoms
+  integer         :: dummy
+END TYPE
+
+contains
+
+  SUBROUTINE init(this)
+    TYPE(atom_private) :: this
+    this%initialized = .FALSE.
+  END SUBROUTINE
+
+END MODULE
+
+
+program pr40594
+
+  USE atom_types
+  TYPE(atom_model) :: am
+  type(atom_private) :: ap
+
+  am%dummy = 0
+
+  call init(ap)
+  if (ap%initialized .neqv. .false.) call abort()
+
+END
+
+! { dg-final { cleanup-modules "atom_types" } }
+