diff options
Diffstat (limited to 'compiler/rustc_lint/src')
| -rw-r--r-- | compiler/rustc_lint/src/deref_into_dyn_supertrait.rs | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs index 5989ef9519c..dd16117db1c 100644 --- a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs +++ b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs @@ -1,7 +1,7 @@ use rustc_hir::{self as hir, LangItem}; use rustc_middle::ty; use rustc_session::{declare_lint, declare_lint_pass}; -use rustc_span::sym; +use rustc_span::{Ident, sym}; use rustc_trait_selection::traits::supertraits; use crate::lints::{SupertraitAsDerefTarget, SupertraitAsDerefTargetLabel}; @@ -79,11 +79,15 @@ impl<'tcx> LateLintPass<'tcx> for DerefIntoDynSupertrait { // erase regions in self type for better diagnostic presentation let (self_ty, target_principal, supertrait_principal) = tcx.erase_regions((self_ty, target_principal, supertrait_principal)); - let label2 = impl_ - .items - .iter() - .find_map(|i| (i.ident.name == sym::Target).then_some(i.span)) - .map(|label| SupertraitAsDerefTargetLabel { label }); + let label2 = tcx + .associated_items(item.owner_id) + .find_by_ident_and_kind( + tcx, + Ident::with_dummy_span(sym::Target), + ty::AssocTag::Type, + item.owner_id.to_def_id(), + ) + .map(|label| SupertraitAsDerefTargetLabel { label: tcx.def_span(label.def_id) }); let span = tcx.def_span(item.owner_id.def_id); cx.emit_span_lint( DEREF_INTO_DYN_SUPERTRAIT, |