WIP: bugfix - array reference were not always considered correctly.

src/db/db/dbHierNetworkProcessor.cc

@@ -1206,7 +1206,7 @@ private:
     db::ICplxTrans t2i = t2 * i2.complex_trans ();
     const db::Cell &cell2 = mp_layout->cell (i2.cell_index ());
 
-    box_type b2 = cell2.bbox ().transformed (t2i);
+    box_type b2 = i2.cell_inst ().bbox (*mp_cbc).transformed (t2);
 
     if (! b1.touches (b2) || ! c1.interacts (cell2, t2i, *mp_conn)) {
       return;

src/db/unit_tests/dbHierNetworkProcessorTests.cc

@@ -1021,3 +1021,9 @@ TEST(113_HierClusters)
   run_hc_test_with_backannotation (_this, "hc_test_l13.gds", "hc_test_au13b.gds");
 }
 
+TEST(114_HierClusters)
+{
+  run_hc_test (_this, "hc_test_l14.gds", "hc_test_au14.gds");
+  run_hc_test_with_backannotation (_this, "hc_test_l14.gds", "hc_test_au14b.gds");
+}
+