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Auto merge of #125076 - compiler-errors:alias-term, r=lcnr

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Split out `ty::AliasTerm` from `ty::AliasTy`

Splitting out `AliasTerm` (for use in project and normalizes goals) and `AliasTy` (for use in `ty::Alias`)

r? lcnr
This commit is contained in:
bors 2024-05-13 22:20:43 +00:00
commit 34582118af
73 changed files with 695 additions and 458 deletions
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4
compiler/rustc_hir_analysis/src/constrained_generic_params.rs
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@ -198,7 +198,7 @@ pub fn setup_constraining_predicates<'tcx>(
// Special case: watch out for some kind of sneaky attempt
// to project out an associated type defined by this very
// trait.
let unbound_trait_ref = projection.projection_ty.trait_ref(tcx);
let unbound_trait_ref = projection.projection_term.trait_ref(tcx);
if Some(unbound_trait_ref) == impl_trait_ref {
continue;
}
@ -208,7 +208,7 @@ pub fn setup_constraining_predicates<'tcx>(
// `<<T as Bar>::Baz as Iterator>::Output = <U as Iterator>::Output`
// Then the projection only applies if `T` is known, but it still
// does not determine `U`.
let inputs = parameters_for(tcx, projection.projection_ty, true);
let inputs = parameters_for(tcx, projection.projection_term, true);
let relies_only_on_inputs = inputs.iter().all(|p| input_parameters.contains(p));
if !relies_only_on_inputs {
continue;