1327930 - [e10s] select's drop-down list of options is detached when <select> moves

Status: NEW

(Core :: Layout: Form Controls, defect, P3)

Description

[arni2033]

>>>   My Info:   Win7_64, Nightly 48, 32bit, ID 20160403030243
STR_1:
1. Open the following "data:" url or click URL in the form above
>   data:text/html,<script>setTimeout(function(){document.querySelector("div").style.display="block"},3000);</script><div style="height:100px;width:100px;background:gray;display:none;">Banner</div><select><option>
2. Open select's drop-down list in less than 3 seconds
3. Wait 3 seconds

AR:  Drop-down list of options is detached from <select>
ER:  Drop-down list of options should never be detached from <select>

Note:  Compressed <select> is bug 1237485

Comment 1

[Timothy Nikkel (:tnikkel)]

Works with non-e10s selects. Neither Chrome nor Safari handle this correctly though.