X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_typeck%2Fsrc%2Fcollect%2Fitem_bounds.rs;h=0d2b75d3328fcc3bfb27b9ac27d48db7414b2a4d;hb=9b8cfc1eed5eb282c97cee4bbabf9acbdebc5dee;hp=8801d0260bffce02a0074f5dd49315a7d15da7c5;hpb=43acb501b93c637b32fa134ba8cf586d82e96732;p=rust.git

diff --git a/compiler/rustc_typeck/src/collect/item_bounds.rs b/compiler/rustc_typeck/src/collect/item_bounds.rs
index 8801d0260bf..0d2b75d3328 100644
--- a/compiler/rustc_typeck/src/collect/item_bounds.rs
+++ b/compiler/rustc_typeck/src/collect/item_bounds.rs
@@ -3,7 +3,7 @@
 use rustc_hir as hir;
 use rustc_infer::traits::util;
 use rustc_middle::ty::subst::InternalSubsts;
-use rustc_middle::ty::{self, TyCtxt};
+use rustc_middle::ty::{self, DefIdTree, TyCtxt};
 use rustc_span::def_id::DefId;
 use rustc_span::Span;
 
@@ -30,7 +30,7 @@ fn associated_type_bounds<'tcx>(
     // Associated types are implicitly sized unless a `?Sized` bound is found
     <dyn AstConv<'_>>::add_implicitly_sized(&icx, &mut bounds, ast_bounds, None, span);
 
-    let trait_def_id = tcx.associated_item(assoc_item_def_id).container.id();
+    let trait_def_id = tcx.parent(assoc_item_def_id);
     let trait_predicates = tcx.trait_explicit_predicates_and_bounds(trait_def_id.expect_local());
 
     let bounds_from_parent = trait_predicates.predicates.iter().copied().filter(|(pred, _)| {