1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/dependency_19.f90 b/gcc/testsuite/gfortran.dg/dependency_19.f90
new file mode 100644
index 000000000..b0af15855
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/dependency_19.f90
@@ -0,0 +1,34 @@
+! { dg-do compile }
+! Tests the fix for PR30273, in which the pointer assignment was
+! wrongly determined to have dependence because NULL() was not
+! recognised by the analysis.
+!
+! Contributed by Harald Anlauf <anlauf@gmx.de>
+!
+module gfcbug49
+  implicit none
+
+  type spot_t
+     integer, pointer     :: vm(:,:,:)
+  end type spot_t
+
+  type rc_t
+    integer               :: n
+    type(spot_t), pointer :: spots(:) => NULL()
+  end type rc_t  
+
+contains
+
+  subroutine construct (rc, n)
+    type(rc_t), intent(out) :: rc
+    integer   , intent(in)  :: n
+    integer :: k
+    rc% n = n
+    allocate (rc% spots (n))
+    forall (k=1:n)
+       rc% spots (k)% vm => NULL() ! gfortran didn't swallow this
+    end forall
+  end subroutine construct
+
+end module gfcbug49
+! { dg-final { cleanup-modules "gfcbug49" } }