stardict-2.4.5 is out. This is the first version that does not crash with the japanese dictionaries on my amd64 (the japanese dictionary are *not* amd64 keyworded to work around the problem). In fact,e it works flawlessly. Simply copying the 2.4.4 ebuild as 2.4.5 does the job.
*** This bug has been marked as a duplicate of 86379 ***