Rollup merge of #104864 - chenyukang:yukang/fix-104700-binding, r=estebank

[rust.git] / compiler / rustc_hir_typeck / src / method / mod.rs

diff --git a/compiler/rustc_hir_typeck/src/method/mod.rs b/compiler/rustc_hir_typeck/src/method/mod.rs
index ebbd5eb1e6478cafdb717373c908f1f5724ff01b..b15c086ffad5781f2b921dd61d5c97b31d8bb470 100644 (file)
--- a/compiler/rustc_hir_typeck/src/method/mod.rs
+++ b/compiler/rustc_hir_typeck/src/method/mod.rs
@@ -20,7 +20,7 @@
 use rustc_infer::infer::{self, InferOk};
 use rustc_middle::traits::ObligationCause;
 use rustc_middle::ty::subst::{InternalSubsts, SubstsRef};
-use rustc_middle::ty::{self, DefIdTree, GenericParamDefKind, Ty, TypeVisitable};
+use rustc_middle::ty::{self, GenericParamDefKind, Ty, TypeVisitable};
 use rustc_span::symbol::Ident;
 use rustc_span::Span;
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt;
@@ -192,8 +192,7 @@ pub fn lookup_method(
 
         self.tcx.check_stability(pick.item.def_id, Some(call_expr.hir_id), span, None);
 
-        let result =
-            self.confirm_method(span, self_expr, call_expr, self_ty, pick.clone(), segment);
+        let result = self.confirm_method(span, self_expr, call_expr, self_ty, &pick, segment);
         debug!("result = {:?}", result);
 
         if let Some(span) = result.illegal_sized_bound {
@@ -217,7 +216,7 @@ pub fn lookup_method(
             }
 
             // We probe again, taking all traits into account (not only those in scope).
-            let mut candidates =
+            let candidates =
                 match self.lookup_probe(segment.ident, self_ty, call_expr, ProbeScope::AllTraits) {
                     // If we find a different result the caller probably forgot to import a trait.
                     Ok(ref new_pick) if pick.differs_from(new_pick) => {
@@ -236,7 +235,6 @@ pub fn lookup_method(
                         .collect(),
                     _ => Vec::new(),
                 };
-            candidates.retain(|candidate| *candidate != self.tcx.parent(result.callee.def_id));
 
             return Err(IllegalSizedBound(candidates, needs_mut, span));
         }