doc/go1.17: document go/parser.SkipObjectResolution

Documents the mode added in CL 306149 to skip object resolution.

Fixes #46298

Change-Id: I6a14aaa00790f9f7e4e4ba17033355f5e878d74b
Reviewed-on: https://go-review.googlesource.com/c/go/+/329009
Trust: Robert Findley <rfindley@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>

doc/go1.17.html

@@ -693,6 +693,16 @@ <h3 id="minor_library_changes">Minor changes to the library</h3>
  </dd>
 </dl><!-- go/format -->
 
+<dl id="go/parser"><dt><a href="/pkg/go/parser/">go/parser</a></dt>
+ <dd>
+ <p><!-- CL 306149 -->
+ The new <a href="/pkg/go/parser/#SkipObjectResolution"><code>SkipObjectResolution</code></a>
+ <code>Mode</code> value instructs the parser not to resolve identifiers to
+ their declaration. This may improve parsing speed.
+ </p>
+ </dd>
+</dl><!-- go/parser -->
+
 <dl id="image"><dt><a href="/pkg/image/">image</a></dt>
  <dd>
  <p><!-- CL 311129 -->