invoke.texi (Wenum-compare): Mention that it is enabled by default.

2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* doc/invoke.texi (Wenum-compare): Mention that it is enabled by
	default.

From-SVN: r136567

gcc/ChangeLog

+2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+	* doc/invoke.texi (Wenum-compare): Mention that it is enabled by
+	default.
+	
 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
 
 	PR tree-optimization/36218

gcc/doc/invoke.texi

@@ -3659,7 +3659,8 @@ the semicolon.  This warning is also enabled by @option{-Wextra}.
 @item -Wenum-compare @r{(C++ and Objective-C++ only)}
 @opindex Wenum-compare
 @opindex Wno-enum-compare
-Warn about a comparison between values of different enum types.
+Warn about a comparison between values of different enum types. This
+warning is enabled by default.
 
 @item -Wsign-compare
 @opindex Wsign-compare