import SOAP-WSDL 2.00.06 from CPAN

git-cpan-module:   SOAP-WSDL
git-cpan-version:  2.00.06
git-cpan-authorid: MKUTTER
git-cpan-file:     authors/id/M/MK/MKUTTER/SOAP-WSDL-2.00.06.tar.gz

lib/SOAP/WSDL/Generator/Template/Plugin/XSD.pm

@@ -3,7 +3,7 @@ use strict;
 use warnings;
 use Carp qw(confess);
 use Class::Std::Fast::Storable constructor => 'none';
-
+use Scalar::Util qw(blessed);
 use version; our $VERSION = qv('2.00.05');
 
 my %namespace_prefix_map_of :ATTR(:name<namespace_prefix_map>   :default<{}>);
@@ -155,6 +155,8 @@ sub element_name {
     my $self = shift;
     my $element = shift;
 
+    confess "no element object" unless blessed $element;
+
     my $name = $element->get_name();
     if (! $name) {
         while (my $ref = $element->get_ref()) {