XSSAuditor bypass with script tag and expression following injection point

LayoutTests/http/tests/security/xssAuditor/resources/echo-intertag.pl

Index: LayoutTests/http/tests/security/xssAuditor/resources/echo-intertag.pl
diff --git a/LayoutTests/http/tests/security/xssAuditor/resources/echo-intertag.pl b/LayoutTests/http/tests/security/xssAuditor/resources/echo-intertag.pl
index 61b60373a15821de589286f1b5726b7f8defb6fc..8e3a5f01792953111e95fa98bd85ad5d178cd20e 100755
--- a/LayoutTests/http/tests/security/xssAuditor/resources/echo-intertag.pl
+++ b/LayoutTests/http/tests/security/xssAuditor/resources/echo-intertag.pl
@@ -92,7 +92,10 @@ if ($cgi->param('inHead')) {
 if ($cgi->param('replaceState')) {
     print "<script>history.replaceState({}, '', '#must-not-appear');</script>\n";
 }
-print $cgi->param('q');
+print $cgi->param('q'); # XSS reflected here.
+if ($cgi->param('script-expression-follows')) {
+    print "\n <script>42;</script>\n";
+}
 if ($cgi->param('clutter')) {
     print $cgi->param('clutter');
 }