diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9e9e2022392..3ca8df1a574 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,15 @@
+2002-07-19  Gabriel Dos Reis  <gdr@nerim.net>
+
+	DR/123
+	* include/bits/slice_array.h 
+	(slice_array<T>::operator=(const T&)): Constify.
+	* include/bits/gslice_array.h 
+	(gslice_array<T>::operator=(const T&)):  Likewise.
+	* include/bits/mask_array.h 
+	(mask_array<T>::operator=(const T&)): Likewise.
+	* include/bits/indirect_array.h
+	(indirect_array<T>::operator=(const T&): Likewise.
+
 2002-07-17  Phil Edwards  <pme@gcc.gnu.org>
 
 	* docs/doxygen/run_doxygen:  Remove template parameter names from
diff --git a/libstdc++-v3/include/bits/gslice_array.h b/libstdc++-v3/include/bits/gslice_array.h
index 8989ac5200e..445029c2742 100644
--- a/libstdc++-v3/include/bits/gslice_array.h
+++ b/libstdc++-v3/include/bits/gslice_array.h
@@ -57,7 +57,7 @@ namespace std {
         void operator|= (const valarray<_Tp>&) const;
         void operator<<=(const valarray<_Tp>&) const;
         void operator>>=(const valarray<_Tp>&) const;
-        void operator=(const _Tp&);
+        void operator=(const _Tp&) const;
 
         template<class _Dom>
         void operator= (const _Expr<_Dom,_Tp>&) const;
@@ -113,7 +113,7 @@ namespace std {
     
     template<typename _Tp>
     inline void
-    gslice_array<_Tp>::operator= (const _Tp& __t) 
+    gslice_array<_Tp>::operator= (const _Tp& __t) const
     { 
         __valarray_fill (_M_array, _Array<size_t>(_M_index),
                          _M_index.size(), __t); 
diff --git a/libstdc++-v3/include/bits/indirect_array.h b/libstdc++-v3/include/bits/indirect_array.h
index a5737e9eb04..3a61b21fd57 100644
--- a/libstdc++-v3/include/bits/indirect_array.h
+++ b/libstdc++-v3/include/bits/indirect_array.h
@@ -61,7 +61,7 @@ namespace std
        void operator|= (const valarray<_Tp>&) const;
        void operator<<= (const valarray<_Tp>&) const;
        void operator>>= (const valarray<_Tp>&) const; 
-       void operator= (const _Tp&);
+       void operator= (const _Tp&) const;
        //    ~indirect_array();
 
        template<class _Dom>
@@ -124,7 +124,7 @@ namespace std
 
   template<typename _Tp>
      inline void
-     indirect_array<_Tp>::operator= (const _Tp& __t)
+     indirect_array<_Tp>::operator= (const _Tp& __t) const
      { __valarray_fill(_M_array, _M_index, _M_sz, __t); }
 
   template<typename _Tp>
diff --git a/libstdc++-v3/include/bits/mask_array.h b/libstdc++-v3/include/bits/mask_array.h
index 13c01d3cc22..0fcc3809fc4 100644
--- a/libstdc++-v3/include/bits/mask_array.h
+++ b/libstdc++-v3/include/bits/mask_array.h
@@ -57,7 +57,7 @@ namespace std {
         void operator|= (const valarray<_Tp>&) const;
         void operator<<=(const valarray<_Tp>&) const;  
         void operator>>=(const valarray<_Tp>&) const; 
-        void operator= (const _Tp&);
+        void operator= (const _Tp&) const;
     
         //        ~mask_array ();
         
@@ -114,7 +114,7 @@ namespace std {
     
     template<typename _Tp>
     inline void
-    mask_array<_Tp>::operator= (const _Tp& __t)
+    mask_array<_Tp>::operator= (const _Tp& __t) const
     { __valarray_fill (_M_array, _M_sz, _M_mask, __t); }
     
     template<typename _Tp>
diff --git a/libstdc++-v3/include/bits/slice_array.h b/libstdc++-v3/include/bits/slice_array.h
index 1a80cab21b3..cc4ce5d5997 100644
--- a/libstdc++-v3/include/bits/slice_array.h
+++ b/libstdc++-v3/include/bits/slice_array.h
@@ -101,7 +101,7 @@ namespace std
       void operator|=(const valarray<_Tp>&) const;
       void operator<<=(const valarray<_Tp>&) const;
       void operator>>=(const valarray<_Tp>&) const;
-      void operator=(const _Tp &);
+      void operator=(const _Tp &) const;
       //        ~slice_array ();
 
       template<class _Dom>
@@ -163,7 +163,7 @@ namespace std
 
   template<typename _Tp>
     inline void
-    slice_array<_Tp>::operator=(const _Tp& __t) 
+    slice_array<_Tp>::operator=(const _Tp& __t) const
     { __valarray_fill(_M_array, _M_sz, _M_stride, __t); }
     
   template<typename _Tp>