id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
19139	[regression] Combine Way creates invalid way	Aurimas	team	"==== What steps will reproduce the problem?
1. Open combine_way.osm – two relations share one duplicated way.
2. Validate (Shift + V).
3. Validator shows an error ""Duplicated ways (1)"".
4. Select both ways and use ""Combine way"" (C).
5. Resolve a conflict by selecting ""Keep"" for both relations.

==== What is the expected result?
Ways are combined into one valid way (combine_expected.osm). No validation errors.

==== What happens instead?
Combined way is invalid. Validator shows 3 errors and one warning:
 * Multipolygon is not closed (2)
 * Way contains segment twice (1)
 * Self-intersecting ways (1)

==== Please provide any additional information below. Attach a screenshot if possible.
Started to happen sometime around [changeset:""15558/josm"" 15558/josm].
"	defect	closed	normal		Core	latest	wontfix	template_report