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diff --git a/gcc/testsuite/gfortran.dg/function_kinds_4.f90 b/gcc/testsuite/gfortran.dg/function_kinds_4.f90
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+++ b/gcc/testsuite/gfortran.dg/function_kinds_4.f90
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+! { dg-do run }
+! Tests the fix for PR34471 in which function KINDs that were
+! USE associated would cause an error.
+!
+! This only needs to be run once.
+! { dg-options "-O2" }
+!
+! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
+!
+module m1
+  integer, parameter :: i1 = 1, i2 = 2
+end module m1
+
+module m2
+  integer, parameter :: i1 = 8
+end module m2
+
+integer(i1) function three()
+  use m1, only: i2
+  use m2                ! This provides the function kind
+  three = i1
+  if(three /= kind(three)) call abort()
+end function three
+
+! At one stage during the development of the patch, this started failing
+! but was not tested in gfortran.dg.  */
+real (kind(0d0)) function foo ()
+  foo = real (kind (foo))
+end function
+
+program main
+implicit none
+ interface
+    integer(8) function three()
+    end function three
+ end interface
+ integer, parameter :: i1 = 4
+ integer :: i
+ real (kind(0d0)) foo
+ i = one()
+ i = two()
+ if(three() /= 8) call abort()
+ if (int(foo()) /= 8) call abort ()
+contains
+ integer(i1) function one()  ! Host associated kind
+   if (kind(one) /= 4) call abort()
+   one = 1
+ end function one
+ integer(i1) function two()  ! Use associated kind
+   use m1, only: i2
+   use m2
+   if (kind(two) /= 8) call abort()
+   two = 1
+ end function two
+end program main
+! { dg-final { cleanup-modules "m1 m2" } }