>
> There seems to be a bug in OSM data there, there are 2 ways overlaid, see:
> http://www.openstreetmap.org/way/176844915#map=15/52.0021/20.2465
> http://www.openstreetmap.org/way/260842529#map=15/52.0022/20.2465
>
This might explain that the problem is related to --preserve-element-order,
but it doesn't explain the problem itself.

BTW: Way  176844915 was already removed.

Gerd