Matthias Krüger 87df3f663d
Rollup merge of #94614 - pierwill:localexpnid-noord, r=lcnr
Remove ordering traits from `rustc_span::hygiene::LocalExpnId`

Part of work on #90317.

Also adds a negative impl block as a form of documentation and a roadblock to regression.
2022-03-07 11:35:56 +01:00
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