Remove unnecessary lift calls

[rust.git] / src / librustc / traits / query / type_op / mod.rs

diff --git a/src/librustc/traits/query/type_op/mod.rs b/src/librustc/traits/query/type_op/mod.rs
index b298edfec594432d1a06b58699b58f0bf53a66a0..4a07a3120f3e83b61409caf691e7cdf72f29a64f 100644 (file)
--- a/src/librustc/traits/query/type_op/mod.rs
+++ b/src/librustc/traits/query/type_op/mod.rs
@@ -8,7 +8,7 @@
 use crate::traits::query::Fallible;
 use crate::traits::ObligationCause;
 use crate::ty::fold::TypeFoldable;
-use crate::ty::{Lift, ParamEnvAnd, TyCtxt};
+use crate::ty::{ParamEnvAnd, TyCtxt};
 
 pub mod ascribe_user_type;
 pub mod custom;
@@ -44,8 +44,8 @@ fn fully_perform(
 /// which produces the resulting query region constraints.
 ///
 /// [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html
-pub trait QueryTypeOp<'tcx>: fmt::Debug + Sized + TypeFoldable<'tcx> + Lift<'tcx> {
-    type QueryResponse: TypeFoldable<'tcx> + Lift<'tcx>;
+pub trait QueryTypeOp<'tcx>: fmt::Debug + Sized + TypeFoldable<'tcx> + 'tcx {
+    type QueryResponse: TypeFoldable<'tcx>;
 
     /// Give query the option for a simple fast path that never
     /// actually hits the tcx cache lookup etc. Return `Some(r)` with