diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index da64dcb1c5b..994029d7f24 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2002-01-09  Paolo Carlini <pcarlini@unitus.it>
+
+        * libsupc++/exception (bad_exception): Add comment.
+        * libsupc++/new (bad_alloc): Same.
+        * libsupc++/typeinfo (bad_cast, bad_typeid): Same.
+
 2002-01-09  Paolo Carlini <pcarlini@unitus.it>
 
 	libstdc++/3150: revert 2001-11-30 commit. DR266 only means
diff --git a/libstdc++-v3/libsupc++/exception b/libstdc++-v3/libsupc++/exception
index aea61ffa412..4b272d53bec 100644
--- a/libstdc++-v3/libsupc++/exception
+++ b/libstdc++-v3/libsupc++/exception
@@ -63,6 +63,8 @@ namespace std
   {
   public:
     bad_exception() throw() { }
+    // This declaration is not useless:
+    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
     virtual ~bad_exception() throw();
   };
 
diff --git a/libstdc++-v3/libsupc++/new b/libstdc++-v3/libsupc++/new
index 358aa1d12c1..da1a36f5997 100644
--- a/libstdc++-v3/libsupc++/new
+++ b/libstdc++-v3/libsupc++/new
@@ -51,6 +51,8 @@ namespace std
   {
   public:
     bad_alloc() throw() { }
+    // This declaration is not useless:
+    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
     virtual ~bad_alloc() throw();
   };
 
diff --git a/libstdc++-v3/libsupc++/typeinfo b/libstdc++-v3/libsupc++/typeinfo
index 336fcc058d9..c36984cf8f3 100644
--- a/libstdc++-v3/libsupc++/typeinfo
+++ b/libstdc++-v3/libsupc++/typeinfo
@@ -130,6 +130,8 @@ namespace std
   {
   public:
     bad_cast() throw() { }
+    // This declaration is not useless:
+    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
     virtual ~bad_cast() throw();
   };
   
@@ -138,6 +140,8 @@ namespace std
   {
   public:
     bad_typeid () throw() { }
+    // This declaration is not useless:
+    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
     virtual ~bad_typeid() throw();
   };
 } // namespace std