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Remove duplicate notes from error on inter-crate ambiguous impl of traits (fix #99092)

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rhysd 2022-07-10 02:48:53 +09:00
parent 6c20ab744b
commit d5aed20f47
7 changed files with 45 additions and 13 deletions
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4
compiler/rustc_trait_selection/src/traits/coherence.rs
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@ -13,7 +13,7 @@ use crate::traits::{
self, FulfillmentContext, Normalized, Obligation, ObligationCause, PredicateObligation,
PredicateObligations, SelectionContext,
};
//use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexSet;
use rustc_errors::Diagnostic;
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_infer::infer::{InferCtxt, TyCtxtInferExt};
@ -44,7 +44,7 @@ pub enum Conflict {
pub struct OverlapResult<'tcx> {
pub impl_header: ty::ImplHeader<'tcx>,
pub intercrate_ambiguity_causes: Vec<IntercrateAmbiguityCause>,
pub intercrate_ambiguity_causes: FxIndexSet<IntercrateAmbiguityCause>,
/// `true` if the overlap might've been permitted before the shift
/// to universes.