diff --git a/elab_lval.cc b/elab_lval.cc
index fb1558265..91d3691d2 100644
--- a/elab_lval.cc
+++ b/elab_lval.cc
@@ -717,7 +717,7 @@ bool PEIdent::elaborate_lval_net_class_member_(Design*des, NetScope*,
       return true;
 }
 
- 
+
 bool PEIdent::elaborate_lval_net_packed_member_(Design*des, NetScope*scope,
 						NetAssign_*lv,
 						const perm_string&member_name) const
diff --git a/ivl.def b/ivl.def
index de13242f4..d47294db9 100644
--- a/ivl.def
+++ b/ivl.def
@@ -71,6 +71,7 @@ ivl_expr_oper3
 ivl_expr_parameter
 ivl_expr_parm
 ivl_expr_parms
+ivl_expr_property_idx
 ivl_expr_repeat
 ivl_expr_scope
 ivl_expr_sel_type
@@ -141,6 +142,7 @@ ivl_lpm_width
 ivl_lval_idx
 ivl_lval_mux
 ivl_lval_part_off
+ivl_lval_property_idx
 ivl_lval_sel_type
 ivl_lval_sig
 ivl_lval_width
@@ -190,6 +192,8 @@ ivl_scope_attr_cnt
 ivl_scope_attr_val
 ivl_scope_basename
 ivl_scope_children
+ivl_scope_class
+ivl_scope_classes
 ivl_scope_def
 ivl_scope_def_file
 ivl_scope_def_lineno
@@ -302,9 +306,13 @@ ivl_switch_width
 
 ivl_type_base
 ivl_type_element
+ivl_type_name
 ivl_type_packed_dimensions
 ivl_type_packed_lsb
 ivl_type_packed_msb
+ivl_type_prop_name
+ivl_type_prop_type
+ivl_type_properties
 
 ivl_udp_init
 ivl_udp_file
diff --git a/tgt-vlog95/logic_lpm.c b/tgt-vlog95/logic_lpm.c
index 99c0904ce..7c3d2e42c 100644
--- a/tgt-vlog95/logic_lpm.c
+++ b/tgt-vlog95/logic_lpm.c
@@ -1852,6 +1852,7 @@ void dump_nexus_information(ivl_scope_t scope, ivl_nexus_t nex)
 		      case IVL_VT_LOGIC:   fprintf(stderr, " logic"); break;
 		      case IVL_VT_STRING:  fprintf(stderr, " string"); break;
 		      case IVL_VT_DARRAY:  fprintf(stderr, " dynamic array");
+		      case IVL_VT_CLASS:   fprintf(stderr, " class");
 		                           break;
 		  }
 	    } else {
diff --git a/vvp/vvp_cobject.h b/vvp/vvp_cobject.h
index 510893189..66b18647d 100644
--- a/vvp/vvp_cobject.h
+++ b/vvp/vvp_cobject.h
@@ -19,6 +19,7 @@
  *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
+# include  <stdint.h>
 # include  "vvp_object.h"
 
 class class_type;
diff --git a/vvp/vvp_object.h b/vvp/vvp_object.h
index 3aff181b1..5509d39fe 100644
--- a/vvp/vvp_object.h
+++ b/vvp/vvp_object.h
@@ -29,7 +29,7 @@
  */
 class vvp_object {
     public:
-      inline vvp_object() { total_active_cnt_ += 1; }
+      inline vvp_object() { ref_cnt_ = 0; total_active_cnt_ += 1; }
       virtual ~vvp_object() =0;
 
       static void cleanup(void);