[wwwdocs] Document new Wlogical-op warning in gcc-4.5/changes.html

[wwwdocs] Document new Wlogical-op warning in gcc-4.5/changes.html

[Manuel López-Ibáñez]

[-- Attachment #1: Type: text/plain, Size: 139 bytes --]

OK to commit?

2009-10-15 Manuel López-Ibáñez  <manu@gcc.gnu.org>

  * htdocs/gcc-4.5/changes.html: Document new Wlogical-op warning.

[-- Attachment #2: wlogical-op-wwwdocs.diff --]
[-- Type: text/plain, Size: 816 bytes --]

Index: htdocs/gcc-4.5/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.5/changes.html,v
retrieving revision 1.40
diff -u -r1.40 changes.html
--- htdocs/gcc-4.5/changes.html	15 Oct 2009 13:27:12 -0000	1.40
+++ htdocs/gcc-4.5/changes.html	15 Oct 2009 15:54:05 -0000
@@ -93,6 +93,10 @@
     reach that point.  It may be used after <code>asm</code>
     statements that terminate by transferring control elsewhere, and
     in other places that are known to be unreachable.</li>
+    <li>The <code>-Wlogical-op</code> option now warns for logical
+    expressions such as <code>(c == 1 && c == 2)</code> and <code>(c
+    != 1 || c != 2)</code>, which are likely to be mistakes. This
+    option is disabled by default.</li>
   </ul>
 
 <h3>C</h3>

Re: [wwwdocs] Document new Wlogical-op warning in gcc-4.5/changes.html

[Gerald Pfeifer]

[-- Attachment #1: Type: TEXT/PLAIN, Size: 328 bytes --]

On Thu, 15 Oct 2009, Manuel López-Ibáñez wrote:
> 2009-10-15 Manuel López-Ibáñez  <manu@gcc.gnu.org>
> 
>   * htdocs/gcc-4.5/changes.html: Document new Wlogical-op warning.

Looks good, thanks Manuel.

For the record, these new warnings have found a dozen or so bugs in
Wine, for example.  Very useful.

Gerald