unwrap() fails when wrapper is a figure element

[brianfreud]

var $foo = $('<img/>');

$foo.wrap('<div></div>'); $foo.unwrap(); works fine

$foo.wrap('<figure></figure>'); $foo.unwrap(); TypeError: Cannot read property 'constructor' of undefined

Using 1.7.2 in Chrome under Ubuntu

[timmywil]

Thanks for taking time to contribute to the jquery project! Please help us assess your ticket by providing a test case from  ​http://jsfiddle.net or  ​http://jsbin.com using the git version of jQuery.

[trac-o-bot]

Because we get so many tickets, we often need to return them to the initial reporter for more information. If that person does not reply within 14 days, the ticket will automatically be closed, and that has happened in this case. If you still are interested in pursuing this issue, feel free to add a comment with the requested information and we will be happy to reopen the ticket if it is still valid. Thanks!