1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/select_type_7.f03 b/gcc/testsuite/gfortran.dg/select_type_7.f03
new file mode 100644
index 00000000000..554b6cd122d
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/select_type_7.f03
@@ -0,0 +1,40 @@
+! { dg-do run }
+!
+! PR 41766: [OOP] SELECT TYPE selector as actual argument with INTENT(INOUT)
+!
+! Contributed by Janus Weil <janus@gcc.gnu.org>
+
+ implicit none
+
+ type t1
+   integer :: a
+ end type
+
+ type, extends(t1) :: t2
+   integer :: b
+ end type
+
+ class(t1),allocatable :: cp
+
+ allocate(t2 :: cp)
+
+ select type (cp)
+   type is (t2)
+     cp%a = 98
+     cp%b = 76
+     call s(cp)
+     print *,cp%a,cp%b
+     if (cp%a /= cp%b) call abort()
+   class default
+     call abort()
+ end select
+
+contains
+
+  subroutine s(f)
+    type(t2), intent(inout) :: f
+    f%a = 3
+    f%b = 3
+  end subroutine
+
+end