1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/internal_pack_10.f90 b/gcc/testsuite/gfortran.dg/internal_pack_10.f90
new file mode 100644
index 000000000..8d972f44c
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/internal_pack_10.f90
@@ -0,0 +1,41 @@
+! { dg-do run }
+! Test the fix for PR43180, in which patch which reduced the use of
+! internal_pack/unpack messed up the passing of ru(1)%c as the actual
+! argument at line 23 in this testcase.
+!
+! Contributed by Harald Anlauf <anlauf@gmx.de>
+! further reduced by Tobias Burnus <burnus@gcc.gnu.org>
+!
+module mo_obs_rules
+  type t_set
+     integer :: use = 42
+  end type t_set
+  type t_rules
+     character(len=40) :: comment
+     type(t_set)       :: c (1)
+  end type t_rules
+  type (t_rules), save :: ru (1)
+contains
+  subroutine get_rule (c)
+    type(t_set) :: c (:)
+    ru(1)%c(:)%use = 99
+    if (any (c(:)%use .ne. 42)) call abort
+    call set_set_v (ru(1)%c, c)
+    if (any (c(:)%use .ne. 99)) call abort
+  contains
+    subroutine set_set_v (src, dst)
+      type(t_set), intent(in)    :: src(1)
+      type(t_set), intent(inout) :: dst(1)
+    if (any (src%use .ne. 99)) call abort
+    if (any (dst%use .ne. 42)) call abort
+      dst = src
+    end subroutine set_set_v
+  end subroutine get_rule
+end module mo_obs_rules
+
+program test
+  use mo_obs_rules
+  type(t_set) :: c (1)
+  call get_rule (c)
+end program test
+! { dg-final { cleanup-modules "mo_obs_rules" } }