Opera DSK-363011

Version: 12.00
Build: 1387
Operating system: Windows 7
Platform: PC

Summary: Rotating marker in leaflet disappears when panning map

URL:
http://psha.org.ru/leaflet/marker-rotate.html_or_any_leaflet_installation_w
ith_rotating_markers

Steps to reproduce
===================
1. open page
2. move the map around

Expected result
===============
Marker shouldn't disappear

Actual result
=============
In some positions marker will disappear

HTTP_USER_AGENT: Opera/9.80 (Windows NT 6.1; U; ru) Presto/2.10.289
Version/12.00
HTTP_ACCEPT_LANGUAGE: ru-RU,ru;q=0.9,en;q=0.8


PLUGINS:
===========
Unity Player (Unity Player 3.4.0f5) npUnity3D32.dll
Google Update (Google Update) npGoogleUpdate3.dll
Microsoft Office 2010 (The plug-in allows you to open and edit files using
Microsoft Office applications) NPSPWRAP.DLL
Microsoft Office 2010 (Office Authorization plug-in for NPAPI browsers)
NPAUTHZ.DLL
Silverlight Plug-In (4.1.10111.0) npctrl.dll
Java(TM) Platform SE 6 U31 (Next Generation Java Plug-in 1.6.0_31 for
Mozilla browsers) npjp2.dll
Shockwave Flash (Shockwave Flash 11.2 r202) NPSWF32_11_2_202_228.dll


SCREEN:
===========
Resolution: 1366x768
ColorDepth: 32


Browser JavaScript:
Opera Desktop 12.00 core 2.10.289, April 23, 2012. Active patches: 171