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diff --git a/gcc/testsuite/gfortran.dg/alloc_comp_result_1.f90 b/gcc/testsuite/gfortran.dg/alloc_comp_result_1.f90
new file mode 100644
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+++ b/gcc/testsuite/gfortran.dg/alloc_comp_result_1.f90
@@ -0,0 +1,33 @@
+! { dg-do run }
+! Test the fix for PR38802, in which the nulling of the result 'p'
+! in 'a_fun' would cause a segfault.
+!
+! Posted on the gfortran list by Marco Restelli http://gcc.gnu.org/ml/fortran/2009-01/
+
+!
+module mod_a
+  implicit none
+  public :: a_fun, t_1, t_2
+  private
+  type t_1
+    real :: coeff
+  end type t_1
+  type t_2
+    type(t_1), allocatable :: mons(:)
+  end type t_2
+contains
+  function a_fun(r) result(p)
+    integer, intent(in) :: r
+    type(t_2) :: p(r+1)
+    p = t_2 ([t_1 (99)])
+  end function a_fun
+end module mod_a
+
+program test
+  use mod_a, only: a_fun, t_1, t_2
+  implicit none
+  type(t_2) x(1)
+  x = a_fun(0)
+  if (any (x(1)%mons%coeff .ne. 99)) call abort
+end program test
+! { dg-final { cleanup-modules "mod_a" } }