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64f6c00772
Opportunistically resolve regions in new solver Use `opportunistic_resolve_var` during canonicalization to collapse some regions. We have to start using `CanonicalVarValues::is_identity_modulo_regions`. We also have to modify that function to consider responses like `['static, ^0, '^1, ^2]` to be an "identity" response, since because we opportunistically resolve regions, there's no longer a 1:1 mapping between canonical var values and bound var indices in the response... There's one nasty side-effect -- one test (`tests/ui/dyn-star/param-env-infer.rs`) starts to ICE because the certainty goes from `Yes` to `Maybe(Overflow)`... Not exactly sure why, though? Putting this up for discussion/investigation. r? ```@lcnr``` |
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| .. | ||
| assembly | ||
| eval_ctxt | ||
| search_graph | ||
| alias_relate.rs | ||
| canonicalize.rs | ||
| eval_ctxt.rs | ||
| fulfill.rs | ||
| mod.rs | ||
| opaques.rs | ||
| project_goals.rs | ||
| trait_goals.rs | ||