--- /dev/null
+
+# reported in https://rt.cpan.org/Public/Bug/Display.html?id=59573
+
+use strict;
+use warnings;
+
+use Test::More tests => 2;
+use Test::NoWarnings;
+use Test::Exception;
+
+{
+ package Foo;
+ use Moose;
+ use MooseX::ClassAttribute;
+ class_has attr => (
+ is => 'bare', isa => 'HashRef[Str]',
+ lazy => 1,
+ default => sub { {} },
+ traits => ['Hash'],
+ handles => {
+ has_attr => 'exists',
+ },
+ );
+}
+
+package main;
+
+# in Moose 1.08/MooseX::ClassAttribute 0.16, this dies with:
+# Can't use an undefined value as a HASH reference
+lives_ok { Foo->has_attr('key') }
+ 'Default builder in a native attribute trait is properly run when the attribute is defined with no standard accessors';
+
+