exception (bad_exception): Add comment.

2002-01-09  Paolo Carlini <pcarlini@unitus.it>

        * libsupc++/exception (bad_exception): Add comment.
        * libsupc++/new (bad_alloc): Same.
        * libsupc++/typeinfo (bad_cast): Same.
        (bad_typeid): Same.

From-SVN: r48700

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

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();
   };
 

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();
   };
 

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