Rename CloneLiftImpls as TrivialLiftImpls.

To match `TrivialTypeTraversalImpls` and
`TrivialTypeTraversalAndLiftImpls`, and because the `Clone` doesn't mean
anything.

Author: nnethercote

Diff for: compiler/rustc_middle/src/macros.rs

@@ -42,7 +42,7 @@ macro_rules! span_bug {
 // the impls for you.
 
 #[macro_export]
-macro_rules! CloneLiftImpls {
+macro_rules! TrivialLiftImpls {
     ($($ty:ty),+ $(,)?) => {
         $(
             impl<'tcx> $crate::ty::Lift<'tcx> for $ty {
@@ -96,6 +96,6 @@ macro_rules! TrivialTypeTraversalImpls {
 macro_rules! TrivialTypeTraversalAndLiftImpls {
     ($($t:tt)*) => {
         TrivialTypeTraversalImpls! { $($t)* }
-        CloneLiftImpls! { $($t)* }
+        TrivialLiftImpls! { $($t)* }
     }
 }

Diff for: compiler/rustc_middle/src/ty/context.rs

@@ -1259,7 +1259,7 @@ nop_list_lift! {bound_variable_kinds; ty::BoundVariableKind => ty::BoundVariable
 // This is the impl for `&'a GenericArgs<'a>`.
 nop_list_lift! {args; GenericArg<'a> => GenericArg<'tcx>}
 
-CloneLiftImpls! {
+TrivialLiftImpls! {
     Constness,
     traits::WellFormedLoc,
     ImplPolarity,

Diff for: compiler/rustc_middle/src/ty/structural_impls.rs

@@ -456,7 +456,7 @@ impl<'tcx, T: DebugWithInfcx<TyCtxt<'tcx>>> DebugWithInfcx<TyCtxt<'tcx>> for ty:
 
 // For things for which the type library provides traversal implementations
 // for all Interners, we only need to provide a Lift implementation:
-CloneLiftImpls! {
+TrivialLiftImpls! {
     (),
     bool,
     usize,