Regenerate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74914 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CompilerDriver.html b/docs/CompilerDriver.html
index 9ccf383..4d7cb37 100644
--- a/docs/CompilerDriver.html
+++ b/docs/CompilerDriver.html
@@ -363,7 +363,8 @@
 (switch_option "E", (extern))
 ...
 </pre>
-<p>See also the section on plugin <a class="reference internal" href="#priorities">priorities</a>.</p>
+<p>If an external option has additional attributes besides 'extern', they are
+ignored. See also the section on plugin <a class="reference internal" href="#priorities">priorities</a>.</p>
 </div>
 </div>
 <div class="section" id="conditional-evaluation">