Fix whitespace in lift macros.

This has been bugging me for some time.

compiler/rustc_middle/src/ty/context.rs

@@ -2253,7 +2253,9 @@ nop_lift! {predicate; Clause<'a> => Clause<'tcx>}
 nop_lift! { layout; Layout<'a> => Layout<'tcx> }
 
 nop_list_lift! { type_lists; Ty<'a> => Ty<'tcx> }
-nop_list_lift! {poly_existential_predicates; PolyExistentialPredicate<'a> => PolyExistentialPredicate<'tcx>}
+nop_list_lift! {
+    poly_existential_predicates; PolyExistentialPredicate<'a> => PolyExistentialPredicate<'tcx>
+}
 nop_list_lift! { bound_variable_kinds; ty::BoundVariableKind => ty::BoundVariableKind }
 
 // This is the impl for `&'a GenericArgs<'a>`.

compiler/rustc_middle/src/ty/structural_impls.rs

@@ -230,20 +230,23 @@ TrivialLiftImpls! {
     bool,
     usize,
     u64,
-    crate::mir::Promoted,
+    // tidy-alphabetical-start
     crate::mir::interpret::AllocId,
     crate::mir::interpret::Scalar,
+    crate::mir::Promoted,
     rustc_abi::ExternAbi,
     rustc_abi::Size,
     rustc_hir::Safety,
     rustc_type_ir::BoundConstness,
     rustc_type_ir::PredicatePolarity,
+    // tidy-alphabetical-end
 }
 
 // For some things about which the type library does not know, or does not
 // provide any traversal implementations, we need to provide a traversal
 // implementation (only for TyCtxt<'_> interners).
 TrivialTypeTraversalImpls! {
+    // tidy-alphabetical-start
     crate::infer::canonical::Certainty,
     crate::mir::BasicBlock,
     crate::mir::BindingForm<'tcx>,
@@ -265,6 +268,9 @@ TrivialTypeTraversalImpls! {
     crate::mir::SwitchTargets,
     crate::traits::IsConstable,
     crate::traits::OverflowError,
+    crate::ty::abstract_const::NotConstEvaluatable,
+    crate::ty::adjustment::AutoBorrowMutability,
+    crate::ty::adjustment::PointerCoercion,
     crate::ty::AdtKind,
     crate::ty::AssocItem,
     crate::ty::AssocKind,
@@ -275,21 +281,19 @@ TrivialTypeTraversalImpls! {
     crate::ty::Placeholder<ty::BoundVar>,
     crate::ty::UserTypeAnnotationIndex,
     crate::ty::ValTree<'tcx>,
-    crate::ty::abstract_const::NotConstEvaluatable,
-    crate::ty::adjustment::AutoBorrowMutability,
-    crate::ty::adjustment::PointerCoercion,
     rustc_abi::FieldIdx,
     rustc_abi::VariantIdx,
     rustc_ast::InlineAsmOptions,
     rustc_ast::InlineAsmTemplatePiece,
     rustc_hir::CoroutineKind,
+    rustc_hir::def_id::LocalDefId,
     rustc_hir::HirId,
     rustc_hir::MatchSource,
-    rustc_hir::def_id::LocalDefId,
     rustc_span::Ident,
     rustc_span::Span,
     rustc_span::Symbol,
     rustc_target::asm::InlineAsmRegOrRegClass,
+    // tidy-alphabetical-end
 }
 
 // For some things about which the type library does not know, or does not
@@ -297,10 +301,12 @@ TrivialTypeTraversalImpls! {
 // implementation and a lift implementation (the former only for TyCtxt<'_>
 // interners).
 TrivialTypeTraversalAndLiftImpls! {
+    // tidy-alphabetical-start
+    crate::ty::instance::ReifyReason,
     crate::ty::ParamConst,
     crate::ty::ParamTy,
-    crate::ty::instance::ReifyReason,
     rustc_hir::def_id::DefId,
+    // tidy-alphabetical-end
 }
 
 ///////////////////////////////////////////////////////////////////////////

compiler/rustc_type_ir/src/macros.rs

@@ -47,14 +47,16 @@ TrivialTypeTraversalImpls! {
     u16,
     u32,
     u64,
+    // tidy-alphabetical-start
     crate::AliasRelationDirection,
     crate::BoundConstness,
     crate::DebruijnIndex,
     crate::PredicatePolarity,
-    crate::UniverseIndex,
-    crate::Variance,
     crate::solve::BuiltinImplSource,
     crate::solve::Certainty,
     crate::solve::GoalSource,
+    crate::UniverseIndex,
+    crate::Variance,
     rustc_ast_ir::Mutability,
+    // tidy-alphabetical-end
 }