[PATCH][www] Document -gsplit-dwarf behavioral change

[Richard Biener]

This mentions that -gsplit-dwarf now requires -g to enable debug info
generation.

Pushed.

	* gcc-11/changes.html: Mention -gsplit-dwarf behavioral change.
---
 htdocs/gcc-11/changes.html | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/htdocs/gcc-11/changes.html b/htdocs/gcc-11/changes.html
index d3fb9882..96955345 100644
--- a/htdocs/gcc-11/changes.html
+++ b/htdocs/gcc-11/changes.html
@@ -43,6 +43,9 @@ a work-in-progress.</p>
       See <a href="https://gcc.gnu.org/pipermail/gcc-patches/2020-May/546494.html">the
       patch</a>, particularly its textual description, for more
       details about the changes.</li>
+
+  <li><code>-gsplit-dwarf</code> no longer enables debug info generation
+      on its own but requires a separate <code>-g</code> for this.</li>
 </ul>
 
 
-- 
2.26.2