bjoernager/rust
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Only label place where type is needed if span is meaningful

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This commit is contained in:
Michael Goulet 2022-06-25 09:18:25 -07:00
parent 5b9775fe17
commit f44ae98cee
22 changed files with 51 additions and 40 deletions
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14
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
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@ -2002,6 +2002,7 @@ impl<'a, 'tcx> InferCtxtPrivExt<'a, 'tcx> for InferCtxt<'a, 'tcx> {
subst,
vec![],
ErrorCode::E0282,
false,
)
.emit();
}
@ -2019,6 +2020,7 @@ impl<'a, 'tcx> InferCtxtPrivExt<'a, 'tcx> for InferCtxt<'a, 'tcx> {
subst,
impl_candidates,
ErrorCode::E0283,
false,
);
let obligation = Obligation::new(
@ -2110,7 +2112,7 @@ impl<'a, 'tcx> InferCtxtPrivExt<'a, 'tcx> for InferCtxt<'a, 'tcx> {
return;
}
self.emit_inference_failure_err(body_id, span, arg, vec![], ErrorCode::E0282)
self.emit_inference_failure_err(body_id, span, arg, vec![], ErrorCode::E0282, false)
}
ty::PredicateKind::Subtype(data) => {
@ -2124,7 +2126,14 @@ impl<'a, 'tcx> InferCtxtPrivExt<'a, 'tcx> for InferCtxt<'a, 'tcx> {
let SubtypePredicate { a_is_expected: _, a, b } = data;
// both must be type variables, or the other would've been instantiated
assert!(a.is_ty_var() && b.is_ty_var());
self.emit_inference_failure_err(body_id, span, a.into(), vec![], ErrorCode::E0282)
self.emit_inference_failure_err(
body_id,
span,
a.into(),
vec![],
ErrorCode::E0282,
false,
)
}
ty::PredicateKind::Projection(data) => {
let self_ty = data.projection_ty.self_ty();
@ -2140,6 +2149,7 @@ impl<'a, 'tcx> InferCtxtPrivExt<'a, 'tcx> for InferCtxt<'a, 'tcx> {
self_ty.into(),
vec![],
ErrorCode::E0284,
false,
);
err.note(&format!("cannot satisfy `{}`", predicate));
err