udat_formatForFields reports same field position as "a" and "B"

Description

In the following example, the field position [3, 4] is reported as "a" and "B", but only a single field format kind is expected.

This issue affects the ECMA-402 PR <https://github.com/tc39/ecma402/pull/346>.

Output:

Test case:

Assignee

Caio Lima

Reporter

André Bargull

Components

Labels

Reviewer

None

Priority

major

Time Needed

None

Fix versions

Configure