New upstream version 1.64.0+dfsg1

[rustc.git] / compiler / rustc_infer / src / traits / structural_impls.rs

diff --git a/compiler/rustc_infer/src/traits/structural_impls.rs b/compiler/rustc_infer/src/traits/structural_impls.rs
index 82ee4bb29e88b157c123d45aa4d32a30418693a6..573d2d1e330165c5499279656bf54e1a6f6f3491 100644 (file)
--- a/compiler/rustc_infer/src/traits/structural_impls.rs
+++ b/compiler/rustc_infer/src/traits/structural_impls.rs
@@ -1,7 +1,8 @@
 use crate::traits;
 use crate::traits::project::Normalized;
 use rustc_middle::ty;
-use rustc_middle::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeVisitor};
+use rustc_middle::ty::fold::{FallibleTypeFolder, TypeFoldable};
+use rustc_middle::ty::visit::{TypeVisitable, TypeVisitor};
 
 use std::fmt;
 use std::ops::ControlFlow;
@@ -68,7 +69,9 @@ impl<'tcx, O: TypeFoldable<'tcx>> TypeFoldable<'tcx> for traits::Obligation<'tcx
             param_env: self.param_env.try_fold_with(folder)?,
         })
     }
+}
 
+impl<'tcx, O: TypeVisitable<'tcx>> TypeVisitable<'tcx> for traits::Obligation<'tcx, O> {
     fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
         self.predicate.visit_with(visitor)?;
         self.param_env.visit_with(visitor)