bjoernager/rust
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Remove some unnecessary trait_ref calls

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This commit is contained in:
Matthew Jasper 2021-02-12 22:41:00 +00:00
parent 9526c0c6e8
commit 79f6f11816
4 changed files with 35 additions and 20 deletions
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2
compiler/rustc_typeck/src/constrained_generic_params.rs
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@ -198,7 +198,7 @@ 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(&projection.projection_ty.trait_ref(tcx), true);
let inputs = parameters_for(&projection.projection_ty, true);
let relies_only_on_inputs = inputs.iter().all(|p| input_parameters.contains(&p));
if !relies_only_on_inputs {
continue;