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由 Niko Matsakis 提交于
various bugs in `trait_id_of_impl`. The end result was that looking up the "trait_id_of_impl" with a trait's def-id yielded the same trait again, even though it ought to have yielded None.
82a2e8e3
various bugs in `trait_id_of_impl`. The end result was that looking up the "trait_id_of_impl" with a trait's def-id yielded the same trait again, even though it ought to have yielded None.