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Pull out logic from #111131, plus some new logic in EvalCtxt::normalize_opaque_type

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Co-authored-by: lcnr <rust@lcnr.de>
This commit is contained in:
Michael Goulet 2023-05-09 18:56:43 +00:00
parent 7664dfe433
commit 4d80b8090c
13 changed files with 122 additions and 43 deletions
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4
compiler/rustc_trait_selection/src/solve/fulfill.rs
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@ -133,12 +133,14 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> {
| ty::PredicateKind::ObjectSafe(_)
| ty::PredicateKind::ClosureKind(_, _, _)
| ty::PredicateKind::ConstEvaluatable(_)
| ty::PredicateKind::TypeWellFormedFromEnv(_)
| ty::PredicateKind::Ambiguous => {
FulfillmentErrorCode::CodeSelectionError(
SelectionError::Unimplemented,
)
}
ty::PredicateKind::TypeWellFormedFromEnv(_) => {
bug!("unexpected goal: {goal:?}")
}
},
root_obligation: obligation,
});