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Refactor rustc_resolve::late::lifetimes to resolve per-item There are some changes to tests that I'd like some feedback on; so this is still WIP. The reason behind this change will (hopefully) allow us to (as part of #76814) be able to essentially use the lifetime resolve code to resolve *all* late bound vars (including those of super traits). Currently, it only resolves those that are *syntactically* in scope. In #76814, I'm essentially finding that I would essentially have to redo the passing of bound vars through scopes (i.e. when instantiating a poly trait ref), and that's what this code does anyways. However, to be able to do this (ask super traits what bound vars are in scope), we have to be able to resolve items separately. The first commit is actually partially orthogonal. Essentially removing one use of late bound debruijn indices. Not exactly sure who would be best to review here. Let r? `@nikomatsakis` |
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