basic_string.h (operator[]): Allow s[s.size()] in debug mode, but not pedantic mode.

	* include/bits/basic_string.h (operator[]): Allow s[s.size()] in
	debug mode, but not pedantic mode.

From-SVN: r99967

libstdc++-v3/ChangeLog

+2005-05-19  Jonathan Wakely  <redi@gcc.gnu.org>
+
+	* include/bits/basic_string.h (operator[]): Allow s[s.size()] in
+	debug mode, but not pedantic mode.
+
 2005-05-19  Jan Beulich  <jbeulich@novell.com>
 
 	* libsupc++/unwind-cxx.h: Include cstdlib.

libstdc++-v3/include/bits/basic_string.h

@@ -695,7 +695,10 @@ namespace std
       reference
       operator[](size_type __pos)
       {
-	_GLIBCXX_DEBUG_ASSERT(__pos < size());
+        // allow pos == size() as v3 extension:
+	_GLIBCXX_DEBUG_ASSERT(__pos <= size());
+        // but be strict in pedantic mode:
+	_GLIBCXX_DEBUG_PEDASSERT(__pos < size());
 	_M_leak();
 	return _M_data()[__pos];
       }