diff -r df2e45e09652 -r 81bf2d766164 src/work/deba/map_defines.h
--- a/src/work/deba/map_defines.h	Thu Sep 02 10:07:30 2004 +0000
+++ b/src/work/deba/map_defines.h	Thu Sep 02 10:54:26 2004 +0000
@@ -61,7 +61,7 @@
   return *this; \
 } \
 template <typename CMap>NodeMap& operator=(const CMap& copy) { \
-  this->Factory::Map<V>::operator=<CMap>(copy); \
+  this->Factory::Map<V>::operator=<CMap>(static_cast<Factory::Map<V>&>(copy));\
   return *this; \
 } \
 };
@@ -87,7 +87,7 @@
   return *this; \
 } \
 template <typename CMap>EdgeMap& operator=(const CMap& copy) { \
-  this->Factory::Map<V>::operator=<CMap>(copy); \
+  this->Factory::Map<V>::operator=<CMap>(static_cast<Factory::Map<V>&>(copy));\
   return *this; \
 } \
 };