diff --git a/src/librustc/dep_graph/dep_node.rs b/src/librustc/dep_graph/dep_node.rs
index eb75e624d34b2..43e865ad08941 100644
--- a/src/librustc/dep_graph/dep_node.rs
+++ b/src/librustc/dep_graph/dep_node.rs
@@ -423,7 +423,7 @@ impl DefId {
     }
 }
 
-define_dep_nodes!( <'tcx>
+rustc_dep_node_append!([define_dep_nodes!][ <'tcx>
     // We use this for most things when incr. comp. is turned off.
     [] Null,
 
@@ -492,9 +492,6 @@ define_dep_nodes!( <'tcx>
     // table in the tcx (or elsewhere) maps to one of these
     // nodes.
     [] AssociatedItems(DefId),
-    [] TypeOfItem(DefId),
-    [] GenericsOfItem(DefId),
-    [] PredicatesOfItem(DefId),
     [] ExplicitPredicatesOfItem(DefId),
     [] PredicatesDefinedOnItem(DefId),
     [] InferredOutlivesOf(DefId),
@@ -570,7 +567,6 @@ define_dep_nodes!( <'tcx>
     [] FnArgNames(DefId),
     [] RenderedConst(DefId),
     [] DylibDepFormats(CrateNum),
-    [] IsPanicRuntime(CrateNum),
     [] IsCompilerBuiltins(CrateNum),
     [] HasGlobalAllocator(CrateNum),
     [] HasPanicHandler(CrateNum),
@@ -588,7 +584,6 @@ define_dep_nodes!( <'tcx>
     [] CheckTraitItemWellFormed(DefId),
     [] CheckImplItemWellFormed(DefId),
     [] ReachableNonGenerics(CrateNum),
-    [] NativeLibraries(CrateNum),
     [] EntryFn(CrateNum),
     [] PluginRegistrarFn(CrateNum),
     [] ProcMacroDeclsStatic(CrateNum),
@@ -679,7 +674,23 @@ define_dep_nodes!( <'tcx>
 
     [] UpstreamMonomorphizations(CrateNum),
     [] UpstreamMonomorphizationsFor(DefId),
-);
+]);
+
+pub trait RecoverKey<'tcx>: Sized {
+    fn recover(tcx: TyCtxt<'_, 'tcx, 'tcx>, dep_node: &DepNode) -> Option<Self>;
+}
+
+impl RecoverKey<'tcx> for CrateNum {
+    fn recover(tcx: TyCtxt<'_, 'tcx, 'tcx>, dep_node: &DepNode) -> Option<Self> {
+        dep_node.extract_def_id(tcx).map(|id| id.krate)
+    }
+}
+
+impl RecoverKey<'tcx> for DefId {
+    fn recover(tcx: TyCtxt<'_, 'tcx, 'tcx>, dep_node: &DepNode) -> Option<Self> {
+        dep_node.extract_def_id(tcx)
+    }
+}
 
 trait DepNodeParams<'a, 'gcx: 'tcx + 'a, 'tcx: 'a> : fmt::Debug {
     const CAN_RECONSTRUCT_QUERY_KEY: bool;
diff --git a/src/librustc/dep_graph/mod.rs b/src/librustc/dep_graph/mod.rs
index b84d2ad145889..1535e6d349cf1 100644
--- a/src/librustc/dep_graph/mod.rs
+++ b/src/librustc/dep_graph/mod.rs
@@ -9,7 +9,7 @@ mod serialized;
 pub mod cgu_reuse_tracker;
 
 pub use self::dep_tracking_map::{DepTrackingMap, DepTrackingMapConfig};
-pub use self::dep_node::{DepNode, DepKind, DepConstructor, WorkProductId, label_strs};
+pub use self::dep_node::{DepNode, DepKind, DepConstructor, WorkProductId, RecoverKey, label_strs};
 pub use self::graph::{DepGraph, WorkProduct, DepNodeIndex, DepNodeColor, TaskDeps, hash_result};
 pub use self::graph::WorkProductFileKind;
 pub use self::prev::PreviousDepGraph;
diff --git a/src/librustc/lib.rs b/src/librustc/lib.rs
index b6677326227f4..4b2fda3b02f9d 100644
--- a/src/librustc/lib.rs
+++ b/src/librustc/lib.rs
@@ -60,6 +60,8 @@
 #![feature(test)]
 #![feature(in_band_lifetimes)]
 #![feature(crate_visibility_modifier)]
+#![feature(proc_macro_hygiene)]
+#![feature(log_syntax)]
 
 #![recursion_limit="512"]
 
@@ -69,6 +71,7 @@ extern crate getopts;
 #[macro_use] extern crate scoped_tls;
 #[cfg(windows)]
 extern crate libc;
+#[macro_use] extern crate rustc_macros;
 #[macro_use] extern crate rustc_data_structures;
 
 #[macro_use] extern crate log;
@@ -96,6 +99,9 @@ mod macros;
 // registered before they are used.
 pub mod diagnostics;
 
+#[macro_use]
+pub mod query;
+
 pub mod cfg;
 pub mod dep_graph;
 pub mod hir;
diff --git a/src/librustc/query/mod.rs b/src/librustc/query/mod.rs
new file mode 100644
index 0000000000000..ecc0089860002
--- /dev/null
+++ b/src/librustc/query/mod.rs
@@ -0,0 +1,66 @@
+use crate::ty::query::QueryDescription;
+use crate::ty::query::queries;
+use crate::ty::TyCtxt;
+use crate::ty;
+use crate::hir::def_id::CrateNum;
+use crate::dep_graph::SerializedDepNodeIndex;
+use std::borrow::Cow;
+
+// Each of these queries corresponds to a function pointer field in the
+// `Providers` struct for requesting a value of that type, and a method
+// on `tcx: TyCtxt` (and `tcx.at(span)`) for doing that request in a way
+// which memoizes and does dep-graph tracking, wrapping around the actual
+// `Providers` that the driver creates (using several `rustc_*` crates).
+//
+// The result type of each query must implement `Clone`, and additionally
+// `ty::query::values::Value`, which produces an appropriate placeholder
+// (error) value if the query resulted in a query cycle.
+// Queries marked with `fatal_cycle` do not need the latter implementation,
+// as they will raise an fatal error on query cycles instead.
+rustc_queries! {
+    Other {
+        /// Records the type of every item.
+        query type_of(key: DefId) -> Ty<'tcx> {
+            cache { key.is_local() }
+        }
+
+        /// Maps from the `DefId` of an item (trait/struct/enum/fn) to its
+        /// associated generics.
+        query generics_of(key: DefId) -> &'tcx ty::Generics {
+            cache { key.is_local() }
+            load_cached(tcx, id) {
+                let generics: Option<ty::Generics> = tcx.queries.on_disk_cache
+                                                        .try_load_query_result(tcx, id);
+                generics.map(|x| tcx.alloc_generics(x))
+            }
+        }
+
+        /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
+        /// predicates (where-clauses) that must be proven true in order
+        /// to reference it. This is almost always the "predicates query"
+        /// that you want.
+        ///
+        /// `predicates_of` builds on `predicates_defined_on` -- in fact,
+        /// it is almost always the same as that query, except for the
+        /// case of traits. For traits, `predicates_of` contains
+        /// an additional `Self: Trait<...>` predicate that users don't
+        /// actually write. This reflects the fact that to invoke the
+        /// trait (e.g., via `Default::default`) you must supply types
+        /// that actually implement the trait. (However, this extra
+        /// predicate gets in the way of some checks, which are intended
+        /// to operate over only the actual where-clauses written by the
+        /// user.)
+        query predicates_of(_: DefId) -> Lrc<ty::GenericPredicates<'tcx>> {}
+
+        query native_libraries(_: CrateNum) -> Lrc<Vec<NativeLibrary>> {
+            desc { "looking up the native libraries of a linked crate" }
+        }
+    }
+
+    Codegen {
+        query is_panic_runtime(_: CrateNum) -> bool {
+            fatal_cycle
+            desc { "checking if the crate is_panic_runtime" }
+        }
+    }
+}
diff --git a/src/librustc/ty/query/config.rs b/src/librustc/ty/query/config.rs
index 395b288df141e..d8159f11acec0 100644
--- a/src/librustc/ty/query/config.rs
+++ b/src/librustc/ty/query/config.rs
@@ -34,7 +34,7 @@ pub trait QueryConfig<'tcx> {
     type Value: Clone;
 }
 
-pub(super) trait QueryAccessors<'tcx>: QueryConfig<'tcx> {
+pub(crate) trait QueryAccessors<'tcx>: QueryConfig<'tcx> {
     fn query(key: Self::Key) -> Query<'tcx>;
 
     // Don't use this method to access query results, instead use the methods on TyCtxt
@@ -53,7 +53,7 @@ pub(super) trait QueryAccessors<'tcx>: QueryConfig<'tcx> {
     fn handle_cycle_error(tcx: TyCtxt<'_, 'tcx, '_>, error: CycleError<'tcx>) -> Self::Value;
 }
 
-pub(super) trait QueryDescription<'tcx>: QueryAccessors<'tcx> {
+pub(crate) trait QueryDescription<'tcx>: QueryAccessors<'tcx> {
     fn describe(tcx: TyCtxt<'_, '_, '_>, key: Self::Key) -> Cow<'static, str>;
 
     #[inline]
@@ -587,12 +587,6 @@ impl<'tcx> QueryDescription<'tcx> for queries::dylib_dependency_formats<'tcx> {
     }
 }
 
-impl<'tcx> QueryDescription<'tcx> for queries::is_panic_runtime<'tcx> {
-    fn describe(_: TyCtxt<'_, '_, '_>, _: CrateNum) -> Cow<'static, str> {
-        "checking if the crate is_panic_runtime".into()
-    }
-}
-
 impl<'tcx> QueryDescription<'tcx> for queries::is_compiler_builtins<'tcx> {
     fn describe(_: TyCtxt<'_, '_, '_>, _: CrateNum) -> Cow<'static, str> {
         "checking if the crate is_compiler_builtins".into()
@@ -671,12 +665,6 @@ impl<'tcx> QueryDescription<'tcx> for queries::reachable_non_generics<'tcx> {
     }
 }
 
-impl<'tcx> QueryDescription<'tcx> for queries::native_libraries<'tcx> {
-    fn describe(_tcx: TyCtxt<'_, '_, '_>, _: CrateNum) -> Cow<'static, str> {
-        "looking up the native libraries of a linked crate".into()
-    }
-}
-
 impl<'tcx> QueryDescription<'tcx> for queries::foreign_modules<'tcx> {
     fn describe(_tcx: TyCtxt<'_, '_, '_>, _: CrateNum) -> Cow<'static, str> {
         "looking up the foreign modules of a linked crate".into()
@@ -949,21 +937,6 @@ impl<'tcx> QueryDescription<'tcx> for queries::instance_def_size_estimate<'tcx>
     }
 }
 
-impl<'tcx> QueryDescription<'tcx> for queries::generics_of<'tcx> {
-    #[inline]
-    fn cache_on_disk(_: TyCtxt<'_, 'tcx, 'tcx>, def_id: Self::Key) -> bool {
-        def_id.is_local()
-    }
-
-    fn try_load_from_disk<'a>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
-                              id: SerializedDepNodeIndex)
-                              -> Option<Self::Value> {
-        let generics: Option<ty::Generics> = tcx.queries.on_disk_cache
-                                                .try_load_query_result(tcx, id);
-        generics.map(|x| tcx.alloc_generics(x))
-    }
-}
-
 impl<'tcx> QueryDescription<'tcx> for queries::program_clauses_for<'tcx> {
     fn describe(_tcx: TyCtxt<'_, '_, '_>, _: DefId) -> Cow<'static, str> {
         "generating chalk-style clauses".into()
@@ -1027,7 +1000,6 @@ impl_disk_cacheable_query!(borrowck, |_, def_id| def_id.is_local());
 impl_disk_cacheable_query!(mir_const_qualif, |_, def_id| def_id.is_local());
 impl_disk_cacheable_query!(check_match, |_, def_id| def_id.is_local());
 impl_disk_cacheable_query!(def_symbol_name, |_, _| true);
-impl_disk_cacheable_query!(type_of, |_, def_id| def_id.is_local());
 impl_disk_cacheable_query!(predicates_of, |_, def_id| def_id.is_local());
 impl_disk_cacheable_query!(used_trait_imports, |_, def_id| def_id.is_local());
 impl_disk_cacheable_query!(codegen_fn_attrs, |_, _| true);
diff --git a/src/librustc/ty/query/mod.rs b/src/librustc/ty/query/mod.rs
index 8804ed22264ce..2f085a973d202 100644
--- a/src/librustc/ty/query/mod.rs
+++ b/src/librustc/ty/query/mod.rs
@@ -80,13 +80,14 @@ mod values;
 use self::values::Value;
 
 mod config;
+pub(crate) use self::config::QueryDescription;
 pub use self::config::QueryConfig;
-use self::config::{QueryAccessors, QueryDescription};
+use self::config::QueryAccessors;
 
 mod on_disk_cache;
 pub use self::on_disk_cache::OnDiskCache;
 
-// Each of these quries corresponds to a function pointer field in the
+// Each of these queries corresponds to a function pointer field in the
 // `Providers` struct for requesting a value of that type, and a method
 // on `tcx: TyCtxt` (and `tcx.at(span)`) for doing that request in a way
 // which memoizes and does dep-graph tracking, wrapping around the actual
@@ -97,35 +98,12 @@ pub use self::on_disk_cache::OnDiskCache;
 // (error) value if the query resulted in a query cycle.
 // Queries marked with `fatal_cycle` do not need the latter implementation,
 // as they will raise an fatal error on query cycles instead.
-define_queries! { <'tcx>
+
+rustc_query_append! { [define_queries!][ <'tcx>
     Other {
         /// Run analysis passes on the crate
         [] fn analysis: Analysis(CrateNum) -> Result<(), ErrorReported>,
 
-        /// Records the type of every item.
-        [] fn type_of: TypeOfItem(DefId) -> Ty<'tcx>,
-
-        /// Maps from the `DefId` of an item (trait/struct/enum/fn) to its
-        /// associated generics.
-        [] fn generics_of: GenericsOfItem(DefId) -> &'tcx ty::Generics,
-
-        /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
-        /// predicates (where-clauses) that must be proven true in order
-        /// to reference it. This is almost always the "predicates query"
-        /// that you want.
-        ///
-        /// `predicates_of` builds on `predicates_defined_on` -- in fact,
-        /// it is almost always the same as that query, except for the
-        /// case of traits. For traits, `predicates_of` contains
-        /// an additional `Self: Trait<...>` predicate that users don't
-        /// actually write. This reflects the fact that to invoke the
-        /// trait (e.g., via `Default::default`) you must supply types
-        /// that actually implement the trait. (However, this extra
-        /// predicate gets in the way of some checks, which are intended
-        /// to operate over only the actual where-clauses written by the
-        /// user.)
-        [] fn predicates_of: PredicatesOfItem(DefId) -> Lrc<ty::GenericPredicates<'tcx>>,
-
         /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
         /// predicates (where-clauses) directly defined on it. This is
         /// equal to the `explicit_predicates_of` predicates plus the
@@ -446,7 +424,6 @@ define_queries! { <'tcx>
     },
 
     Codegen {
-        [fatal_cycle] fn is_panic_runtime: IsPanicRuntime(CrateNum) -> bool,
         [fatal_cycle] fn is_compiler_builtins: IsCompilerBuiltins(CrateNum) -> bool,
         [fatal_cycle] fn has_global_allocator: HasGlobalAllocator(CrateNum) -> bool,
         [fatal_cycle] fn has_panic_handler: HasPanicHandler(CrateNum) -> bool,
@@ -504,8 +481,6 @@ define_queries! { <'tcx>
     },
 
     Other {
-        [] fn native_libraries: NativeLibraries(CrateNum) -> Lrc<Vec<NativeLibrary>>,
-
         [] fn foreign_modules: ForeignModules(CrateNum) -> Lrc<Vec<ForeignModule>>,
 
         /// Identifies the entry-point (e.g., the `main` function) for a given
@@ -752,7 +727,7 @@ define_queries! { <'tcx>
         [] fn wasm_import_module_map: WasmImportModuleMap(CrateNum)
             -> Lrc<FxHashMap<DefId, String>>,
     },
-}
+]}
 
 //////////////////////////////////////////////////////////////////////
 // These functions are little shims used to find the dep-node for a
diff --git a/src/librustc/ty/query/plumbing.rs b/src/librustc/ty/query/plumbing.rs
index cff99f23d0e95..e82e09c299765 100644
--- a/src/librustc/ty/query/plumbing.rs
+++ b/src/librustc/ty/query/plumbing.rs
@@ -1131,10 +1131,12 @@ macro_rules! define_provider_struct {
 /// then `force_from_dep_node()` should not fail for it. Otherwise, you can just
 /// add it to the "We don't have enough information to reconstruct..." group in
 /// the match below.
-pub fn force_from_dep_node<'a, 'gcx, 'lcx>(tcx: TyCtxt<'a, 'gcx, 'lcx>,
-                                           dep_node: &DepNode)
-                                           -> bool {
+pub fn force_from_dep_node<'tcx>(
+    tcx: TyCtxt<'_, 'tcx, 'tcx>,
+    dep_node: &DepNode
+) -> bool {
     use crate::hir::def_id::LOCAL_CRATE;
+    use crate::dep_graph::RecoverKey;
 
     // We must avoid ever having to call force_from_dep_node() for a
     // DepNode::CodegenUnit:
@@ -1171,17 +1173,26 @@ pub fn force_from_dep_node<'a, 'gcx, 'lcx>(tcx: TyCtxt<'a, 'gcx, 'lcx>,
         () => { (def_id!()).krate }
     };
 
-    macro_rules! force {
-        ($query:ident, $key:expr) => {
+    macro_rules! force_ex {
+        ($tcx:expr, $query:ident, $key:expr) => {
             {
-                tcx.force_query::<crate::ty::query::queries::$query<'_>>($key, DUMMY_SP, *dep_node);
+                $tcx.force_query::<crate::ty::query::queries::$query<'_>>(
+                    $key,
+                    DUMMY_SP,
+                    *dep_node
+                );
             }
         }
     };
 
+    macro_rules! force {
+        ($query:ident, $key:expr) => { force_ex!(tcx, $query, $key) }
+    };
+
     // FIXME(#45015): We should try move this boilerplate code into a macro
     //                somehow.
-    match dep_node.kind {
+
+    rustc_dep_node_force!([dep_node, tcx]
         // These are inputs that are expected to be pre-allocated and that
         // should therefore always be red or green already
         DepKind::AllLocalTraitImpls |
@@ -1274,9 +1285,6 @@ pub fn force_from_dep_node<'a, 'gcx, 'lcx>(tcx: TyCtxt<'a, 'gcx, 'lcx>,
         DepKind::MirKeys => { force!(mir_keys, LOCAL_CRATE); }
         DepKind::CrateVariances => { force!(crate_variances, LOCAL_CRATE); }
         DepKind::AssociatedItems => { force!(associated_item, def_id!()); }
-        DepKind::TypeOfItem => { force!(type_of, def_id!()); }
-        DepKind::GenericsOfItem => { force!(generics_of, def_id!()); }
-        DepKind::PredicatesOfItem => { force!(predicates_of, def_id!()); }
         DepKind::PredicatesDefinedOnItem => { force!(predicates_defined_on, def_id!()); }
         DepKind::ExplicitPredicatesOfItem => { force!(explicit_predicates_of, def_id!()); }
         DepKind::InferredOutlivesOf => { force!(inferred_outlives_of, def_id!()); }
@@ -1332,7 +1340,6 @@ pub fn force_from_dep_node<'a, 'gcx, 'lcx>(tcx: TyCtxt<'a, 'gcx, 'lcx>,
         DepKind::FnArgNames => { force!(fn_arg_names, def_id!()); }
         DepKind::RenderedConst => { force!(rendered_const, def_id!()); }
         DepKind::DylibDepFormats => { force!(dylib_dependency_formats, krate!()); }
-        DepKind::IsPanicRuntime => { force!(is_panic_runtime, krate!()); }
         DepKind::IsCompilerBuiltins => { force!(is_compiler_builtins, krate!()); }
         DepKind::HasGlobalAllocator => { force!(has_global_allocator, krate!()); }
         DepKind::HasPanicHandler => { force!(has_panic_handler, krate!()); }
@@ -1349,7 +1356,6 @@ pub fn force_from_dep_node<'a, 'gcx, 'lcx>(tcx: TyCtxt<'a, 'gcx, 'lcx>,
         DepKind::CheckTraitItemWellFormed => { force!(check_trait_item_well_formed, def_id!()); }
         DepKind::CheckImplItemWellFormed => { force!(check_impl_item_well_formed, def_id!()); }
         DepKind::ReachableNonGenerics => { force!(reachable_non_generics, krate!()); }
-        DepKind::NativeLibraries => { force!(native_libraries, krate!()); }
         DepKind::EntryFn => { force!(entry_fn, krate!()); }
         DepKind::PluginRegistrarFn => { force!(plugin_registrar_fn, krate!()); }
         DepKind::ProcMacroDeclsStatic => { force!(proc_macro_decls_static, krate!()); }
@@ -1432,7 +1438,7 @@ pub fn force_from_dep_node<'a, 'gcx, 'lcx>(tcx: TyCtxt<'a, 'gcx, 'lcx>,
         DepKind::BackendOptimizationLevel => {
             force!(backend_optimization_level, krate!());
         }
-    }
+    );
 
     true
 }
@@ -1493,9 +1499,9 @@ impl_load_from_cache!(
     SymbolName => def_symbol_name,
     ConstIsRvaluePromotableToStatic => const_is_rvalue_promotable_to_static,
     CheckMatch => check_match,
-    TypeOfItem => type_of,
-    GenericsOfItem => generics_of,
-    PredicatesOfItem => predicates_of,
+    type_of => type_of,
+    generics_of => generics_of,
+    predicates_of => predicates_of,
     UsedTraitImports => used_trait_imports,
     CodegenFnAttrs => codegen_fn_attrs,
     SpecializationGraph => specialization_graph_of,
diff --git a/src/librustc_incremental/persist/dirty_clean.rs b/src/librustc_incremental/persist/dirty_clean.rs
index 5551cf6b3b604..6b5e19ca49b76 100644
--- a/src/librustc_incremental/persist/dirty_clean.rs
+++ b/src/librustc_incremental/persist/dirty_clean.rs
@@ -36,16 +36,16 @@ const CFG: &str = "cfg";
 
 /// For typedef, constants, and statics
 const BASE_CONST: &[&str] = &[
-    label_strs::TypeOfItem,
+    label_strs::type_of,
 ];
 
 /// DepNodes for functions + methods
 const BASE_FN: &[&str] = &[
     // Callers will depend on the signature of these items, so we better test
     label_strs::FnSignature,
-    label_strs::GenericsOfItem,
-    label_strs::PredicatesOfItem,
-    label_strs::TypeOfItem,
+    label_strs::generics_of,
+    label_strs::predicates_of,
+    label_strs::type_of,
 
     // And a big part of compilation (that we eventually want to cache) is type inference
     // information:
@@ -62,7 +62,7 @@ const BASE_HIR: &[&str] = &[
 /// `impl` implementation of struct/trait
 const BASE_IMPL: &[&str] = &[
     label_strs::AssociatedItemDefIds,
-    label_strs::GenericsOfItem,
+    label_strs::generics_of,
     label_strs::ImplTraitRef,
 ];
 
@@ -78,17 +78,17 @@ const BASE_MIR: &[&str] = &[
 /// Note that changing the type of a field does not change the type of the struct or enum, but
 /// adding/removing fields or changing a fields name or visibility does.
 const BASE_STRUCT: &[&str] = &[
-    label_strs::GenericsOfItem,
-    label_strs::PredicatesOfItem,
-    label_strs::TypeOfItem,
+    label_strs::generics_of,
+    label_strs::predicates_of,
+    label_strs::type_of,
 ];
 
 /// Trait definition `DepNode`s.
 const BASE_TRAIT_DEF: &[&str] = &[
     label_strs::AssociatedItemDefIds,
-    label_strs::GenericsOfItem,
+    label_strs::generics_of,
     label_strs::ObjectSafety,
-    label_strs::PredicatesOfItem,
+    label_strs::predicates_of,
     label_strs::SpecializationGraph,
     label_strs::TraitDefOfItem,
     label_strs::TraitImpls,
@@ -179,7 +179,7 @@ const LABELS_TRAIT: &[&[&str]] = &[
 // Fields are kind of separate from their containers, as they can change independently from
 // them. We should at least check
 //
-//     TypeOfItem for these.
+//     type_of for these.
 
 type Labels = FxHashSet<String>;
 
diff --git a/src/librustc_macros/src/lib.rs b/src/librustc_macros/src/lib.rs
index cad31264b05a4..e99ceb1b0c79b 100644
--- a/src/librustc_macros/src/lib.rs
+++ b/src/librustc_macros/src/lib.rs
@@ -1,8 +1,18 @@
 #![feature(proc_macro_hygiene)]
 #![deny(rust_2018_idioms)]
 
+extern crate proc_macro;
+
 use synstructure::decl_derive;
 
+use proc_macro::TokenStream;
+
 mod hash_stable;
+mod query;
+
+#[proc_macro]
+pub fn rustc_queries(input: TokenStream) -> TokenStream {
+    query::rustc_queries(input)
+}
 
 decl_derive!([HashStable, attributes(stable_hasher)] => hash_stable::hash_stable_derive);
diff --git a/src/librustc_macros/src/query.rs b/src/librustc_macros/src/query.rs
new file mode 100644
index 0000000000000..3849e47d40365
--- /dev/null
+++ b/src/librustc_macros/src/query.rs
@@ -0,0 +1,394 @@
+use proc_macro::TokenStream;
+use syn::{
+    Token, Ident, Type, Attribute, ReturnType, Expr, Block, Error,
+    braced, parenthesized, parse_macro_input,
+};
+use syn::spanned::Spanned;
+use syn::parse::{Result, Parse, ParseStream};
+use syn::punctuated::Punctuated;
+use syn;
+use quote::quote;
+
+#[allow(non_camel_case_types)]
+mod kw {
+    syn::custom_keyword!(query);
+}
+
+/// Ident or a wildcard `_`.
+struct IdentOrWild(Ident);
+
+impl Parse for IdentOrWild {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
+        Ok(if input.peek(Token![_]) {
+            let underscore = input.parse::<Token![_]>()?;
+            IdentOrWild(Ident::new("_", underscore.span()))
+        } else {
+            IdentOrWild(input.parse()?)
+        })
+    }
+}
+
+/// A modifier for a query
+enum QueryModifier {
+    /// The description of the query.
+    Desc(Option<Ident>, Punctuated<Expr, Token![,]>),
+
+    /// Cache the query to disk if the `Expr` returns true.
+    Cache(Option<Ident>, Expr),
+
+    /// Custom code to load the query from disk.
+    LoadCached(Ident, Ident, Block),
+
+    /// A cycle error for this query aborting the compilation with a fatal error.
+    FatalCycle,
+}
+
+impl Parse for QueryModifier {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
+        let modifier: Ident = input.parse()?;
+        if modifier == "desc" {
+            // Parse a description modifier like:
+            // `desc { |tcx| "foo {}", tcx.item_path(key) }`
+            let attr_content;
+            braced!(attr_content in input);
+            let tcx = if attr_content.peek(Token![|]) {
+                attr_content.parse::<Token![|]>()?;
+                let tcx = attr_content.parse()?;
+                attr_content.parse::<Token![|]>()?;
+                Some(tcx)
+            } else {
+                None
+            };
+            let desc = attr_content.parse_terminated(Expr::parse)?;
+            Ok(QueryModifier::Desc(tcx, desc))
+        } else if modifier == "cache" {
+            // Parse a cache modifier like:
+            // `cache { |tcx| key.is_local() }`
+            let attr_content;
+            braced!(attr_content in input);
+            let tcx = if attr_content.peek(Token![|]) {
+                attr_content.parse::<Token![|]>()?;
+                let tcx = attr_content.parse()?;
+                attr_content.parse::<Token![|]>()?;
+                Some(tcx)
+            } else {
+                None
+            };
+            let expr = attr_content.parse()?;
+            Ok(QueryModifier::Cache(tcx, expr))
+        } else if modifier == "load_cached" {
+            // Parse a load_cached modifier like:
+            // `load_cached(tcx, id) { tcx.queries.on_disk_cache.try_load_query_result(tcx, id) }`
+            let args;
+            parenthesized!(args in input);
+            let tcx = args.parse()?;
+            args.parse::<Token![,]>()?;
+            let id = args.parse()?;
+            let block = input.parse()?;
+            Ok(QueryModifier::LoadCached(tcx, id, block))
+        } else if modifier == "fatal_cycle" {
+            Ok(QueryModifier::FatalCycle)
+        } else {
+            Err(Error::new(modifier.span(), "unknown query modifier"))
+        }
+    }
+}
+
+/// Ensures only doc comment attributes are used
+fn check_attributes(attrs: Vec<Attribute>) -> Result<()> {
+    for attr in attrs {
+        if !attr.path.is_ident("doc") {
+            return Err(Error::new(attr.span(), "attributes not supported on queries"));
+        }
+    }
+    Ok(())
+}
+
+/// A compiler query. `query ... { ... }`
+struct Query {
+    modifiers: List<QueryModifier>,
+    name: Ident,
+    key: IdentOrWild,
+    arg: Type,
+    result: ReturnType,
+}
+
+impl Parse for Query {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
+        check_attributes(input.call(Attribute::parse_outer)?)?;
+
+        // Parse the query declaration. Like `query type_of(key: DefId) -> Ty<'tcx>`
+        input.parse::<kw::query>()?;
+        let name: Ident = input.parse()?;
+        let arg_content;
+        parenthesized!(arg_content in input);
+        let key = arg_content.parse()?;
+        arg_content.parse::<Token![:]>()?;
+        let arg = arg_content.parse()?;
+        let result = input.parse()?;
+
+        // Parse the query modifiers
+        let content;
+        braced!(content in input);
+        let modifiers = content.parse()?;
+
+        Ok(Query {
+            modifiers,
+            name,
+            key,
+            arg,
+            result,
+        })
+    }
+}
+
+/// A type used to greedily parse another type until the input is empty.
+struct List<T>(Vec<T>);
+
+impl<T: Parse> Parse for List<T> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
+        let mut list = Vec::new();
+        while !input.is_empty() {
+            list.push(input.parse()?);
+        }
+        Ok(List(list))
+    }
+}
+
+/// A named group containing queries.
+struct Group {
+    name: Ident,
+    queries: List<Query>,
+}
+
+impl Parse for Group {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
+        let name: Ident = input.parse()?;
+        let content;
+        braced!(content in input);
+        Ok(Group {
+            name,
+            queries: content.parse()?,
+        })
+    }
+}
+
+struct QueryModifiers {
+    /// The description of the query.
+    desc: Option<(Option<Ident>, Punctuated<Expr, Token![,]>)>,
+
+    /// Cache the query to disk if the `Expr` returns true.
+    cache: Option<(Option<Ident>, Expr)>,
+
+    /// Custom code to load the query from disk.
+    load_cached: Option<(Ident, Ident, Block)>,
+
+    /// A cycle error for this query aborting the compilation with a fatal error.
+    fatal_cycle: bool,
+}
+
+/// Process query modifiers into a struct, erroring on duplicates
+fn process_modifiers(query: &mut Query) -> QueryModifiers {
+    let mut load_cached = None;
+    let mut cache = None;
+    let mut desc = None;
+    let mut fatal_cycle = false;
+    for modifier in query.modifiers.0.drain(..) {
+        match modifier {
+            QueryModifier::LoadCached(tcx, id, block) => {
+                if load_cached.is_some() {
+                    panic!("duplicate modifier `load_cached` for query `{}`", query.name);
+                }
+                load_cached = Some((tcx, id, block));
+            }
+            QueryModifier::Cache(tcx, expr) => {
+                if cache.is_some() {
+                    panic!("duplicate modifier `cache` for query `{}`", query.name);
+                }
+                cache = Some((tcx, expr));
+            }
+            QueryModifier::Desc(tcx, list) => {
+                if desc.is_some() {
+                    panic!("duplicate modifier `desc` for query `{}`", query.name);
+                }
+                desc = Some((tcx, list));
+            }
+            QueryModifier::FatalCycle => {
+                if fatal_cycle {
+                    panic!("duplicate modifier `fatal_cycle` for query `{}`", query.name);
+                }
+                fatal_cycle = true;
+            }
+        }
+    }
+    QueryModifiers {
+        load_cached,
+        cache,
+        desc,
+        fatal_cycle,
+    }
+}
+
+/// Add the impl of QueryDescription for the query to `impls` if one is requested
+fn add_query_description_impl(
+    query: &Query,
+    modifiers: QueryModifiers,
+    impls: &mut proc_macro2::TokenStream
+) {
+    let name = &query.name;
+    let arg = &query.arg;
+    let key = &query.key.0;
+
+    // Find out if we should cache the query on disk
+    let cache = modifiers.cache.as_ref().map(|(tcx, expr)| {
+        let try_load_from_disk = if let Some((tcx, id, block)) = modifiers.load_cached.as_ref() {
+            // Use custom code to load the query from disk
+            quote! {
+                #[inline]
+                fn try_load_from_disk(
+                    #tcx: TyCtxt<'_, 'tcx, 'tcx>,
+                    #id: SerializedDepNodeIndex
+                ) -> Option<Self::Value> {
+                    #block
+                }
+            }
+        } else {
+            // Use the default code to load the query from disk
+            quote! {
+                #[inline]
+                fn try_load_from_disk(
+                    tcx: TyCtxt<'_, 'tcx, 'tcx>,
+                    id: SerializedDepNodeIndex
+                ) -> Option<Self::Value> {
+                    tcx.queries.on_disk_cache.try_load_query_result(tcx, id)
+                }
+            }
+        };
+
+        let tcx = tcx.as_ref().map(|t| quote! { #t }).unwrap_or(quote! { _ });
+        quote! {
+            #[inline]
+            fn cache_on_disk(#tcx: TyCtxt<'_, 'tcx, 'tcx>, #key: Self::Key) -> bool {
+                #expr
+            }
+
+            #try_load_from_disk
+        }
+    });
+
+    if cache.is_none() && modifiers.load_cached.is_some() {
+        panic!("load_cached modifier on query `{}` without a cache modifier", name);
+    }
+
+    let desc = modifiers.desc.as_ref().map(|(tcx, desc)| {
+        let tcx = tcx.as_ref().map(|t| quote! { #t }).unwrap_or(quote! { _ });
+        quote! {
+            fn describe(
+                #tcx: TyCtxt<'_, '_, '_>,
+                #key: #arg,
+            ) -> Cow<'static, str> {
+                format!(#desc).into()
+            }
+        }
+    });
+
+    if desc.is_some() || cache.is_some() {
+        let cache = cache.unwrap_or(quote! {});
+        let desc = desc.unwrap_or(quote! {});
+
+        impls.extend(quote! {
+            impl<'tcx> QueryDescription<'tcx> for queries::#name<'tcx> {
+                #desc
+                #cache
+            }
+        });
+    }
+}
+
+pub fn rustc_queries(input: TokenStream) -> TokenStream {
+    let groups = parse_macro_input!(input as List<Group>);
+
+    let mut query_stream = quote! {};
+    let mut query_description_stream = quote! {};
+    let mut dep_node_def_stream = quote! {};
+    let mut dep_node_force_stream = quote! {};
+
+    for group in groups.0 {
+        let mut group_stream = quote! {};
+        for mut query in group.queries.0 {
+            let modifiers = process_modifiers(&mut query);
+            let name = &query.name;
+            let arg = &query.arg;
+            let result_full = &query.result;
+            let result = match query.result {
+                ReturnType::Default => quote! { -> () },
+                _ => quote! { #result_full },
+            };
+
+            // Pass on the fatal_cycle modifier
+            let fatal_cycle = if modifiers.fatal_cycle {
+                quote! { fatal_cycle }
+            } else {
+                quote! {}
+            };
+
+            // Add the query to the group
+            group_stream.extend(quote! {
+                [#fatal_cycle] fn #name: #name(#arg) #result,
+            });
+
+            add_query_description_impl(&query, modifiers, &mut query_description_stream);
+
+            // Create a dep node for the query
+            dep_node_def_stream.extend(quote! {
+                [] #name(#arg),
+            });
+
+            // Add a match arm to force the query given the dep node
+            dep_node_force_stream.extend(quote! {
+                DepKind::#name => {
+                    if let Some(key) = RecoverKey::recover($tcx, $dep_node) {
+                        force_ex!($tcx, #name, key);
+                    } else {
+                        return false;
+                    }
+                }
+            });
+        }
+        let name = &group.name;
+        query_stream.extend(quote! {
+            #name { #group_stream },
+        });
+    }
+    TokenStream::from(quote! {
+        macro_rules! rustc_query_append {
+            ([$($macro:tt)*][$($other:tt)*]) => {
+                $($macro)* {
+                    $($other)*
+
+                    #query_stream
+
+                }
+            }
+        }
+        macro_rules! rustc_dep_node_append {
+            ([$($macro:tt)*][$($other:tt)*]) => {
+                $($macro)*(
+                    $($other)*
+
+                    #dep_node_def_stream
+                );
+            }
+        }
+        macro_rules! rustc_dep_node_force {
+            ([$dep_node:expr, $tcx:expr] $($other:tt)*) => {
+                match $dep_node.kind {
+                    $($other)*
+
+                    #dep_node_force_stream
+                }
+            }
+        }
+        #query_description_stream
+    })
+}
diff --git a/src/test/incremental/hashes/consts.rs b/src/test/incremental/hashes/consts.rs
index 0ab0915d4d071..516276a49ea8f 100644
--- a/src/test/incremental/hashes/consts.rs
+++ b/src/test/incremental/hashes/consts.rs
@@ -29,7 +29,7 @@ pub const CONST_VISIBILITY: u8 = 0;
 const CONST_CHANGE_TYPE_1: i32 = 0;
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 const CONST_CHANGE_TYPE_1: u32 = 0;
 
@@ -39,7 +39,7 @@ const CONST_CHANGE_TYPE_1: u32 = 0;
 const CONST_CHANGE_TYPE_2: Option<u32> = None;
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 const CONST_CHANGE_TYPE_2: Option<u64> = None;
 
@@ -99,11 +99,11 @@ mod const_change_type_indirectly {
     #[cfg(not(cfail1))]
     use super::ReferencedType2 as Type;
 
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
     #[rustc_clean(cfg="cfail3")]
     const CONST_CHANGE_TYPE_INDIRECTLY_1: Type = Type;
 
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
     #[rustc_clean(cfg="cfail3")]
     const CONST_CHANGE_TYPE_INDIRECTLY_2: Option<Type> = None;
 }
diff --git a/src/test/incremental/hashes/enum_defs.rs b/src/test/incremental/hashes/enum_defs.rs
index 294476258ab95..aa2dc798b81c8 100644
--- a/src/test/incremental/hashes/enum_defs.rs
+++ b/src/test/incremental/hashes/enum_defs.rs
@@ -42,7 +42,7 @@ enum EnumChangeNameCStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumChangeNameCStyleVariant {
     Variant1,
@@ -59,7 +59,7 @@ enum EnumChangeNameTupleStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumChangeNameTupleStyleVariant {
     Variant1,
@@ -76,7 +76,7 @@ enum EnumChangeNameStructStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumChangeNameStructStyleVariant {
     Variant1,
@@ -109,7 +109,7 @@ enum EnumChangeValueCStyleVariant1 {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumChangeValueCStyleVariant1 {
     Variant1,
@@ -125,7 +125,7 @@ enum EnumAddCStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddCStyleVariant {
     Variant1,
@@ -142,7 +142,7 @@ enum EnumRemoveCStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumRemoveCStyleVariant {
     Variant1,
@@ -157,7 +157,7 @@ enum EnumAddTupleStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddTupleStyleVariant {
     Variant1,
@@ -174,7 +174,7 @@ enum EnumRemoveTupleStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumRemoveTupleStyleVariant {
     Variant1,
@@ -189,7 +189,7 @@ enum EnumAddStructStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddStructStyleVariant {
     Variant1,
@@ -206,7 +206,7 @@ enum EnumRemoveStructStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumRemoveStructStyleVariant {
     Variant1,
@@ -257,7 +257,7 @@ enum EnumChangeFieldNameStructStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumChangeFieldNameStructStyleVariant {
     Variant1 { a: u32, c: u32 },
@@ -289,7 +289,7 @@ enum EnumChangeFieldOrderStructStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumChangeFieldOrderStructStyleVariant {
     Variant1 { b: f32, a: u32 },
@@ -304,7 +304,7 @@ enum EnumAddFieldTupleStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddFieldTupleStyleVariant {
     Variant1(u32, u32, u32),
@@ -319,7 +319,7 @@ enum EnumAddFieldStructStyleVariant {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddFieldStructStyleVariant {
     Variant1 { a: u32, b: u32, c: u32 },
@@ -353,7 +353,7 @@ enum EnumAddReprC {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 #[repr(C)]
 enum EnumAddReprC {
@@ -402,7 +402,7 @@ enum EnumChangeNameOfLifetimeParameter<'a> {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_dirty(cfg="cfail2", except="PredicatesOfItem")]
+#[rustc_dirty(cfg="cfail2", except="predicates_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumChangeNameOfLifetimeParameter<'b> {
     Variant1(&'b u32),
@@ -418,7 +418,7 @@ enum EnumAddLifetimeParameter<'a> {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_dirty(cfg="cfail2", except="PredicatesOfItem")]
+#[rustc_dirty(cfg="cfail2", except="predicates_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddLifetimeParameter<'a, 'b> {
     Variant1(&'a u32),
@@ -435,7 +435,7 @@ enum EnumAddLifetimeParameterBound<'a, 'b> {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_dirty(cfg="cfail2", except="GenericsOfItem,TypeOfItem")]
+#[rustc_dirty(cfg="cfail2", except="generics_of,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddLifetimeParameterBound<'a, 'b: 'a> {
     Variant1(&'a u32),
@@ -450,7 +450,7 @@ enum EnumAddLifetimeBoundToParameter<'a, T> {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_dirty(cfg="cfail2", except="TypeOfItem")]
+#[rustc_dirty(cfg="cfail2", except="type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddLifetimeBoundToParameter<'a, T: 'a> {
     Variant1(T),
@@ -482,7 +482,7 @@ enum EnumAddLifetimeParameterBoundWhere<'a, 'b> {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_dirty(cfg="cfail2", except="GenericsOfItem,TypeOfItem")]
+#[rustc_dirty(cfg="cfail2", except="generics_of,type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddLifetimeParameterBoundWhere<'a, 'b> where 'b: 'a {
     Variant1(&'a u32),
@@ -499,7 +499,7 @@ enum EnumAddLifetimeBoundToParameterWhere<'a, T> {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_dirty(cfg="cfail2", except="TypeOfItem")]
+#[rustc_dirty(cfg="cfail2", except="type_of")]
 #[rustc_clean(cfg="cfail3")]
 enum EnumAddLifetimeBoundToParameterWhere<'a, T> where T: 'a {
     Variant1(T),
@@ -618,7 +618,7 @@ mod change_trait_bound_indirectly {
     #[cfg(not(cfail1))]
     use super::ReferencedTrait2 as Trait;
 
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,PredicatesOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,predicates_of")]
     #[rustc_clean(cfg="cfail3")]
     enum Enum<T: Trait> {
         Variant1(T)
@@ -634,7 +634,7 @@ mod change_trait_bound_indirectly_where {
     #[cfg(not(cfail1))]
     use super::ReferencedTrait2 as Trait;
 
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,PredicatesOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,predicates_of")]
     #[rustc_clean(cfg="cfail3")]
     enum Enum<T> where T: Trait {
         Variant1(T)
diff --git a/src/test/incremental/hashes/function_interfaces.rs b/src/test/incremental/hashes/function_interfaces.rs
index 4330b0025a251..fccec704d6356 100644
--- a/src/test/incremental/hashes/function_interfaces.rs
+++ b/src/test/incremental/hashes/function_interfaces.rs
@@ -117,7 +117,7 @@ pub fn type_parameter() {}
 
 #[cfg(not(cfail1))]
 #[rustc_clean(cfg = "cfail2",
-              except = "Hir, HirBody, GenericsOfItem, TypeOfItem, PredicatesOfItem")]
+              except = "Hir, HirBody, generics_of, type_of, predicates_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn type_parameter<T>() {}
 
@@ -128,7 +128,7 @@ pub fn type_parameter<T>() {}
 pub fn lifetime_parameter() {}
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, GenericsOfItem")]
+#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, generics_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn lifetime_parameter<'a>() {}
 
@@ -139,7 +139,7 @@ pub fn lifetime_parameter<'a>() {}
 pub fn trait_bound<T>() {}
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, PredicatesOfItem")]
+#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, predicates_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn trait_bound<T: Eq>() {}
 
@@ -150,7 +150,7 @@ pub fn trait_bound<T: Eq>() {}
 pub fn builtin_bound<T>() {}
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, PredicatesOfItem")]
+#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, predicates_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn builtin_bound<T: Send>() {}
 
@@ -162,7 +162,7 @@ pub fn lifetime_bound<'a, T>() {}
 
 #[cfg(not(cfail1))]
 #[rustc_clean(cfg = "cfail2",
-              except = "Hir, HirBody, GenericsOfItem, TypeOfItem, PredicatesOfItem")]
+              except = "Hir, HirBody, generics_of, type_of, predicates_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn lifetime_bound<'a, T: 'a>() {}
 
@@ -173,7 +173,7 @@ pub fn lifetime_bound<'a, T: 'a>() {}
 pub fn second_trait_bound<T: Eq>() {}
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, PredicatesOfItem")]
+#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, predicates_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn second_trait_bound<T: Eq + Clone>() {}
 
@@ -184,7 +184,7 @@ pub fn second_trait_bound<T: Eq + Clone>() {}
 pub fn second_builtin_bound<T: Send>() {}
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, PredicatesOfItem")]
+#[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, predicates_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn second_builtin_bound<T: Send + Sized>() {}
 
@@ -196,7 +196,7 @@ pub fn second_lifetime_bound<'a, 'b, T: 'a>() {}
 
 #[cfg(not(cfail1))]
 #[rustc_clean(cfg = "cfail2",
-              except = "Hir, HirBody, GenericsOfItem, TypeOfItem, PredicatesOfItem")]
+              except = "Hir, HirBody, generics_of, type_of, predicates_of")]
 #[rustc_clean(cfg = "cfail3")]
 pub fn second_lifetime_bound<'a, 'b, T: 'a + 'b>() {}
 
@@ -326,7 +326,7 @@ pub mod change_trait_bound_indirectly {
     #[cfg(not(cfail1))]
     use super::ReferencedTrait2 as Trait;
 
-    #[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, PredicatesOfItem")]
+    #[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, predicates_of")]
     #[rustc_clean(cfg = "cfail3")]
     pub fn indirect_trait_bound<T: Trait>(p: T) {}
 }
@@ -340,7 +340,7 @@ pub mod change_trait_bound_indirectly_in_where_clause {
     #[cfg(not(cfail1))]
     use super::ReferencedTrait2 as Trait;
 
-    #[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, PredicatesOfItem")]
+    #[rustc_clean(cfg = "cfail2", except = "Hir, HirBody, predicates_of")]
     #[rustc_clean(cfg = "cfail3")]
     pub fn indirect_trait_bound_where<T>(p: T)
     where
diff --git a/src/test/incremental/hashes/inherent_impls.rs b/src/test/incremental/hashes/inherent_impls.rs
index d1574aee9a9c0..ebafd07dbef57 100644
--- a/src/test/incremental/hashes/inherent_impls.rs
+++ b/src/test/incremental/hashes/inherent_impls.rs
@@ -97,7 +97,7 @@ impl Foo {
 #[rustc_clean(cfg="cfail2", except="Hir,HirBody")]
 #[rustc_clean(cfg="cfail3")]
 impl Foo {
-    #[rustc_dirty(cfg="cfail2", except="TypeOfItem,PredicatesOfItem")]
+    #[rustc_dirty(cfg="cfail2", except="type_of,predicates_of")]
     #[rustc_clean(cfg="cfail3")]
     pub fn method_selfness(&self) { }
 }
@@ -334,7 +334,7 @@ impl Foo {
     // appear dirty, that might be the cause. -nmatsakis
     #[rustc_clean(
         cfg="cfail2",
-        except="Hir,HirBody,GenericsOfItem,PredicatesOfItem,TypeOfItem",
+        except="Hir,HirBody,generics_of,predicates_of,type_of",
     )]
     #[rustc_clean(cfg="cfail3")]
     pub fn add_type_parameter_to_method<T>(&self) { }
@@ -354,7 +354,7 @@ impl Foo {
 impl Foo {
     #[rustc_clean(
         cfg="cfail2",
-        except="Hir,HirBody,GenericsOfItem,PredicatesOfItem,TypeOfItem,TypeckTables"
+        except="Hir,HirBody,generics_of,predicates_of,type_of,TypeckTables"
     )]
     #[rustc_clean(cfg="cfail3")]
     pub fn add_lifetime_bound_to_lifetime_param_of_method<'a, 'b: 'a>(&self) { }
@@ -381,8 +381,8 @@ impl Foo {
     // generics before the body, then the `HirId` for things in the
     // body will be affected. So if you start to see `TypeckTables`
     // appear dirty, that might be the cause. -nmatsakis
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,GenericsOfItem,PredicatesOfItem,\
-                                        TypeOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,generics_of,predicates_of,\
+                                        type_of")]
     #[rustc_clean(cfg="cfail3")]
     pub fn add_lifetime_bound_to_type_param_of_method<'a, T: 'a>(&self) { }
 }
@@ -408,7 +408,7 @@ impl Foo {
     // generics before the body, then the `HirId` for things in the
     // body will be affected. So if you start to see `TypeckTables`
     // appear dirty, that might be the cause. -nmatsakis
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,PredicatesOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,predicates_of")]
     #[rustc_clean(cfg="cfail3")]
     pub fn add_trait_bound_to_type_param_of_method<T: Clone>(&self) { }
 }
@@ -442,12 +442,12 @@ impl Bar<u32> {
 }
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,GenericsOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,generics_of")]
 #[rustc_clean(cfg="cfail3")]
 impl<T> Bar<T> {
     #[rustc_clean(
         cfg="cfail2",
-        except="GenericsOfItem,FnSignature,TypeckTables,TypeOfItem,MirOptimized,MirBuilt"
+        except="generics_of,FnSignature,TypeckTables,type_of,MirOptimized,MirBuilt"
     )]
     #[rustc_clean(cfg="cfail3")]
     pub fn add_type_parameter_to_impl(&self) { }
diff --git a/src/test/incremental/hashes/statics.rs b/src/test/incremental/hashes/statics.rs
index c3db4369b7dd0..3bee2aca5b6c2 100644
--- a/src/test/incremental/hashes/statics.rs
+++ b/src/test/incremental/hashes/statics.rs
@@ -74,7 +74,7 @@ static STATIC_THREAD_LOCAL: u8 = 0;
 static STATIC_CHANGE_TYPE_1: i16 = 0;
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 static STATIC_CHANGE_TYPE_1: u64 = 0;
 
@@ -84,7 +84,7 @@ static STATIC_CHANGE_TYPE_1: u64 = 0;
 static STATIC_CHANGE_TYPE_2: Option<i8> = None;
 
 #[cfg(not(cfail1))]
-#[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+#[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
 #[rustc_clean(cfg="cfail3")]
 static STATIC_CHANGE_TYPE_2: Option<u16> = None;
 
@@ -144,11 +144,11 @@ mod static_change_type_indirectly {
     #[cfg(not(cfail1))]
     use super::ReferencedType2 as Type;
 
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
     #[rustc_clean(cfg="cfail3")]
     static STATIC_CHANGE_TYPE_INDIRECTLY_1: Type = Type;
 
-    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,TypeOfItem")]
+    #[rustc_clean(cfg="cfail2", except="Hir,HirBody,type_of")]
     #[rustc_clean(cfg="cfail3")]
     static STATIC_CHANGE_TYPE_INDIRECTLY_2: Option<Type> = None;
 }
diff --git a/src/test/incremental/hashes/struct_defs.rs b/src/test/incremental/hashes/struct_defs.rs
index 9fca1ce1c46fe..8d32e33054ccc 100644
--- a/src/test/incremental/hashes/struct_defs.rs
+++ b/src/test/incremental/hashes/struct_defs.rs
@@ -26,14 +26,14 @@ pub struct LayoutPacked;
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 #[repr(packed)]
 pub struct LayoutPacked;
 
@@ -43,14 +43,14 @@ struct LayoutC;
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 #[repr(C)]
 struct LayoutC;
 
@@ -63,14 +63,14 @@ struct TupleStructFieldType(i32);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 // Note that changing the type of a field does not change the type of the struct or enum, but
 // adding/removing fields or changing a fields name or visibility does.
 struct TupleStructFieldType(
@@ -86,14 +86,14 @@ struct TupleStructAddField(i32);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct TupleStructAddField(
     i32,
     u32
@@ -108,14 +108,14 @@ struct TupleStructFieldVisibility(char);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct TupleStructFieldVisibility(pub char);
 
 
@@ -127,14 +127,14 @@ struct RecordStructFieldType { x: f32 }
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 // Note that changing the type of a field does not change the type of the struct or enum, but
 // adding/removing fields or changing a fields name or visibility does.
 struct RecordStructFieldType {
@@ -150,14 +150,14 @@ struct RecordStructFieldName { x: f32 }
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct RecordStructFieldName { y: f32 }
 
 
@@ -169,14 +169,14 @@ struct RecordStructAddField { x: f32 }
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct RecordStructAddField {
     x: f32,
     y: () }
@@ -190,14 +190,14 @@ struct RecordStructFieldVisibility { x: f32 }
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct RecordStructFieldVisibility {
     pub x: f32
 }
@@ -211,14 +211,14 @@ struct AddLifetimeParameter<'a>(&'a f32, &'a f64);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_dirty(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_dirty(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct AddLifetimeParameter<'a, 'b>(&'a f32, &'b f64);
 
 
@@ -230,14 +230,14 @@ struct AddLifetimeParameterBound<'a, 'b>(&'a f32, &'b f64);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_dirty(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_dirty(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct AddLifetimeParameterBound<'a, 'b: 'a>(
     &'a f32,
     &'b f64
@@ -249,14 +249,14 @@ struct AddLifetimeParameterBoundWhereClause<'a, 'b>(&'a f32, &'b f64);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_dirty(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_dirty(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct AddLifetimeParameterBoundWhereClause<'a, 'b>(
     &'a f32,
     &'b f64)
@@ -271,14 +271,14 @@ struct AddTypeParameter<T1>(T1, T1);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_dirty(label="TypeOfItem", cfg="cfail2")]
-#[rustc_dirty(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_dirty(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_dirty(label="type_of", cfg="cfail2")]
+#[rustc_dirty(label="generics_of", cfg="cfail2")]
+#[rustc_dirty(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct AddTypeParameter<T1, T2>(
      // The field contains the parent's Generics, so it's dirty even though its
      // type hasn't changed.
@@ -295,14 +295,14 @@ struct AddTypeParameterBound<T>(T);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_dirty(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_dirty(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct AddTypeParameterBound<T: Send>(
     T
 );
@@ -314,14 +314,14 @@ struct AddTypeParameterBoundWhereClause<T>(T);
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_dirty(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_dirty(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 struct AddTypeParameterBoundWhereClause<T>(
     T
 ) where T: Sync;
@@ -334,14 +334,14 @@ struct AddTypeParameterBoundWhereClause<T>(
 // Note: there is no #[cfg(...)], so this is ALWAYS compiled
 #[rustc_clean(label="Hir", cfg="cfail2")]
 #[rustc_clean(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 pub struct EmptyStruct;
 
 
@@ -353,14 +353,14 @@ struct Visibility;
 #[cfg(not(cfail1))]
 #[rustc_dirty(label="Hir", cfg="cfail2")]
 #[rustc_dirty(label="HirBody", cfg="cfail2")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+#[rustc_clean(label="type_of", cfg="cfail2")]
+#[rustc_clean(label="generics_of", cfg="cfail2")]
+#[rustc_clean(label="predicates_of", cfg="cfail2")]
 #[rustc_clean(label="Hir", cfg="cfail3")]
 #[rustc_clean(label="HirBody", cfg="cfail3")]
-#[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-#[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-#[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+#[rustc_clean(label="type_of", cfg="cfail3")]
+#[rustc_clean(label="generics_of", cfg="cfail3")]
+#[rustc_clean(label="predicates_of", cfg="cfail3")]
 pub struct Visibility;
 
 struct ReferencedType1;
@@ -375,14 +375,14 @@ mod tuple_struct_change_field_type_indirectly {
 
     #[rustc_dirty(label="Hir", cfg="cfail2")]
     #[rustc_dirty(label="HirBody", cfg="cfail2")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-    #[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+    #[rustc_clean(label="type_of", cfg="cfail2")]
+    #[rustc_clean(label="generics_of", cfg="cfail2")]
+    #[rustc_clean(label="predicates_of", cfg="cfail2")]
     #[rustc_clean(label="Hir", cfg="cfail3")]
     #[rustc_clean(label="HirBody", cfg="cfail3")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-    #[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+    #[rustc_clean(label="type_of", cfg="cfail3")]
+    #[rustc_clean(label="generics_of", cfg="cfail3")]
+    #[rustc_clean(label="predicates_of", cfg="cfail3")]
     struct TupleStruct(
         FieldType
     );
@@ -398,14 +398,14 @@ mod record_struct_change_field_type_indirectly {
 
     #[rustc_dirty(label="Hir", cfg="cfail2")]
     #[rustc_dirty(label="HirBody", cfg="cfail2")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-    #[rustc_clean(label="PredicatesOfItem", cfg="cfail2")]
+    #[rustc_clean(label="type_of", cfg="cfail2")]
+    #[rustc_clean(label="generics_of", cfg="cfail2")]
+    #[rustc_clean(label="predicates_of", cfg="cfail2")]
     #[rustc_clean(label="Hir", cfg="cfail3")]
     #[rustc_clean(label="HirBody", cfg="cfail3")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-    #[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+    #[rustc_clean(label="type_of", cfg="cfail3")]
+    #[rustc_clean(label="generics_of", cfg="cfail3")]
+    #[rustc_clean(label="predicates_of", cfg="cfail3")]
     struct RecordStruct {
         _x: FieldType
     }
@@ -426,14 +426,14 @@ mod change_trait_bound_indirectly {
 
     #[rustc_dirty(label="Hir", cfg="cfail2")]
     #[rustc_dirty(label="HirBody", cfg="cfail2")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-    #[rustc_dirty(label="PredicatesOfItem", cfg="cfail2")]
+    #[rustc_clean(label="type_of", cfg="cfail2")]
+    #[rustc_clean(label="generics_of", cfg="cfail2")]
+    #[rustc_dirty(label="predicates_of", cfg="cfail2")]
     #[rustc_clean(label="Hir", cfg="cfail3")]
     #[rustc_clean(label="HirBody", cfg="cfail3")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-    #[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+    #[rustc_clean(label="type_of", cfg="cfail3")]
+    #[rustc_clean(label="generics_of", cfg="cfail3")]
+    #[rustc_clean(label="predicates_of", cfg="cfail3")]
     struct Struct<T: Trait>(T);
 }
 
@@ -446,13 +446,13 @@ mod change_trait_bound_indirectly_in_where_clause {
 
     #[rustc_dirty(label="Hir", cfg="cfail2")]
     #[rustc_dirty(label="HirBody", cfg="cfail2")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail2")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail2")]
-    #[rustc_dirty(label="PredicatesOfItem", cfg="cfail2")]
+    #[rustc_clean(label="type_of", cfg="cfail2")]
+    #[rustc_clean(label="generics_of", cfg="cfail2")]
+    #[rustc_dirty(label="predicates_of", cfg="cfail2")]
     #[rustc_clean(label="Hir", cfg="cfail3")]
     #[rustc_clean(label="HirBody", cfg="cfail3")]
-    #[rustc_clean(label="TypeOfItem", cfg="cfail3")]
-    #[rustc_clean(label="GenericsOfItem", cfg="cfail3")]
-    #[rustc_clean(label="PredicatesOfItem", cfg="cfail3")]
+    #[rustc_clean(label="type_of", cfg="cfail3")]
+    #[rustc_clean(label="generics_of", cfg="cfail3")]
+    #[rustc_clean(label="predicates_of", cfg="cfail3")]
     struct Struct<T>(T) where T : Trait;
 }
diff --git a/src/test/ui/dep-graph/dep-graph-struct-signature.rs b/src/test/ui/dep-graph/dep-graph-struct-signature.rs
index 3d660aa8f4b32..bd6d3a7e56fc3 100644
--- a/src/test/ui/dep-graph/dep-graph-struct-signature.rs
+++ b/src/test/ui/dep-graph/dep-graph-struct-signature.rs
@@ -24,7 +24,7 @@ struct WontChange {
 mod signatures {
     use WillChange;
 
-    #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR no path
+    #[rustc_then_this_would_need(type_of)] //~ ERROR no path
     #[rustc_then_this_would_need(AssociatedItems)] //~ ERROR no path
     #[rustc_then_this_would_need(TraitDefOfItem)] //~ ERROR no path
     trait Bar {
@@ -42,14 +42,14 @@ mod signatures {
         WillChange { x: x, y: y }
     }
 
-    #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR OK
+    #[rustc_then_this_would_need(type_of)] //~ ERROR OK
     impl WillChange {
         #[rustc_then_this_would_need(FnSignature)] //~ ERROR OK
         #[rustc_then_this_would_need(TypeckTables)] //~ ERROR OK
         fn new(x: u32, y: u32) -> WillChange { loop { } }
     }
 
-    #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR OK
+    #[rustc_then_this_would_need(type_of)] //~ ERROR OK
     impl WillChange {
         #[rustc_then_this_would_need(FnSignature)] //~ ERROR OK
         #[rustc_then_this_would_need(TypeckTables)] //~ ERROR OK
@@ -57,21 +57,21 @@ mod signatures {
     }
 
     struct WillChanges {
-        #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR OK
+        #[rustc_then_this_would_need(type_of)] //~ ERROR OK
         x: WillChange,
-        #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR OK
+        #[rustc_then_this_would_need(type_of)] //~ ERROR OK
         y: WillChange
     }
 
     // The fields change, not the type itself.
-    #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR no path
+    #[rustc_then_this_would_need(type_of)] //~ ERROR no path
     fn indirect(x: WillChanges) { }
 }
 
 mod invalid_signatures {
     use WontChange;
 
-    #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR no path
+    #[rustc_then_this_would_need(type_of)] //~ ERROR no path
     trait A {
         #[rustc_then_this_would_need(FnSignature)] //~ ERROR no path
         fn do_something_else_twice(x: WontChange);
diff --git a/src/test/ui/dep-graph/dep-graph-struct-signature.stderr b/src/test/ui/dep-graph/dep-graph-struct-signature.stderr
index 8736d15624736..7aa4251752e5c 100644
--- a/src/test/ui/dep-graph/dep-graph-struct-signature.stderr
+++ b/src/test/ui/dep-graph/dep-graph-struct-signature.stderr
@@ -1,8 +1,8 @@
-error: no path from `WillChange` to `TypeOfItem`
+error: no path from `WillChange` to `type_of`
   --> $DIR/dep-graph-struct-signature.rs:27:5
    |
-LL |     #[rustc_then_this_would_need(TypeOfItem)]
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |     #[rustc_then_this_would_need(type_of)]
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: no path from `WillChange` to `AssociatedItems`
   --> $DIR/dep-graph-struct-signature.rs:28:5
@@ -43,38 +43,38 @@ LL |     #[rustc_then_this_would_need(TypeckTables)]
 error: OK
   --> $DIR/dep-graph-struct-signature.rs:45:5
    |
-LL |     #[rustc_then_this_would_need(TypeOfItem)]
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |     #[rustc_then_this_would_need(type_of)]
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: OK
   --> $DIR/dep-graph-struct-signature.rs:52:5
    |
-LL |     #[rustc_then_this_would_need(TypeOfItem)]
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |     #[rustc_then_this_would_need(type_of)]
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: OK
   --> $DIR/dep-graph-struct-signature.rs:60:9
    |
-LL |         #[rustc_then_this_would_need(TypeOfItem)]
-   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |         #[rustc_then_this_would_need(type_of)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: OK
   --> $DIR/dep-graph-struct-signature.rs:62:9
    |
-LL |         #[rustc_then_this_would_need(TypeOfItem)]
-   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |         #[rustc_then_this_would_need(type_of)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: no path from `WillChange` to `TypeOfItem`
+error: no path from `WillChange` to `type_of`
   --> $DIR/dep-graph-struct-signature.rs:67:5
    |
-LL |     #[rustc_then_this_would_need(TypeOfItem)]
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |     #[rustc_then_this_would_need(type_of)]
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: no path from `WillChange` to `TypeOfItem`
+error: no path from `WillChange` to `type_of`
   --> $DIR/dep-graph-struct-signature.rs:74:5
    |
-LL |     #[rustc_then_this_would_need(TypeOfItem)]
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |     #[rustc_then_this_would_need(type_of)]
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: no path from `WillChange` to `FnSignature`
   --> $DIR/dep-graph-struct-signature.rs:80:5
diff --git a/src/test/ui/dep-graph/dep-graph-type-alias.rs b/src/test/ui/dep-graph/dep-graph-type-alias.rs
index 0f703aeb0f7a3..5621284fb18b2 100644
--- a/src/test/ui/dep-graph/dep-graph-type-alias.rs
+++ b/src/test/ui/dep-graph/dep-graph-type-alias.rs
@@ -14,23 +14,23 @@ type TypeAlias = u32;
 
 // The type alias directly affects the type of the field,
 // not the enclosing struct:
-#[rustc_then_this_would_need(TypeOfItem)] //~ ERROR no path
+#[rustc_then_this_would_need(type_of)] //~ ERROR no path
 struct Struct {
-    #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR OK
+    #[rustc_then_this_would_need(type_of)] //~ ERROR OK
     x: TypeAlias,
     y: u32
 }
 
-#[rustc_then_this_would_need(TypeOfItem)] //~ ERROR no path
+#[rustc_then_this_would_need(type_of)] //~ ERROR no path
 enum Enum {
     Variant1 {
-        #[rustc_then_this_would_need(TypeOfItem)] //~ ERROR OK
+        #[rustc_then_this_would_need(type_of)] //~ ERROR OK
         t: TypeAlias
     },
     Variant2(i32)
 }
 
-#[rustc_then_this_would_need(TypeOfItem)] //~ ERROR no path
+#[rustc_then_this_would_need(type_of)] //~ ERROR no path
 trait Trait {
     #[rustc_then_this_would_need(FnSignature)] //~ ERROR OK
     fn method(&self, _: TypeAlias);
@@ -38,14 +38,14 @@ trait Trait {
 
 struct SomeType;
 
-#[rustc_then_this_would_need(TypeOfItem)] //~ ERROR no path
+#[rustc_then_this_would_need(type_of)] //~ ERROR no path
 impl SomeType {
     #[rustc_then_this_would_need(FnSignature)] //~ ERROR OK
     #[rustc_then_this_would_need(TypeckTables)] //~ ERROR OK
     fn method(&self, _: TypeAlias) {}
 }
 
-#[rustc_then_this_would_need(TypeOfItem)] //~ ERROR OK
+#[rustc_then_this_would_need(type_of)] //~ ERROR OK
 type TypeAlias2 = TypeAlias;
 
 #[rustc_then_this_would_need(FnSignature)] //~ ERROR OK
diff --git a/src/test/ui/dep-graph/dep-graph-type-alias.stderr b/src/test/ui/dep-graph/dep-graph-type-alias.stderr
index f54e511acc1ff..520c2a5ed2182 100644
--- a/src/test/ui/dep-graph/dep-graph-type-alias.stderr
+++ b/src/test/ui/dep-graph/dep-graph-type-alias.stderr
@@ -1,44 +1,44 @@
-error: no path from `TypeAlias` to `TypeOfItem`
+error: no path from `TypeAlias` to `type_of`
   --> $DIR/dep-graph-type-alias.rs:17:1
    |
-LL | #[rustc_then_this_would_need(TypeOfItem)]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | #[rustc_then_this_would_need(type_of)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: OK
   --> $DIR/dep-graph-type-alias.rs:19:5
    |
-LL |     #[rustc_then_this_would_need(TypeOfItem)]
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |     #[rustc_then_this_would_need(type_of)]
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: no path from `TypeAlias` to `TypeOfItem`
+error: no path from `TypeAlias` to `type_of`
   --> $DIR/dep-graph-type-alias.rs:24:1
    |
-LL | #[rustc_then_this_would_need(TypeOfItem)]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | #[rustc_then_this_would_need(type_of)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: OK
   --> $DIR/dep-graph-type-alias.rs:27:9
    |
-LL |         #[rustc_then_this_would_need(TypeOfItem)]
-   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL |         #[rustc_then_this_would_need(type_of)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: no path from `TypeAlias` to `TypeOfItem`
+error: no path from `TypeAlias` to `type_of`
   --> $DIR/dep-graph-type-alias.rs:33:1
    |
-LL | #[rustc_then_this_would_need(TypeOfItem)]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | #[rustc_then_this_would_need(type_of)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: no path from `TypeAlias` to `TypeOfItem`
+error: no path from `TypeAlias` to `type_of`
   --> $DIR/dep-graph-type-alias.rs:41:1
    |
-LL | #[rustc_then_this_would_need(TypeOfItem)]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | #[rustc_then_this_would_need(type_of)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: OK
   --> $DIR/dep-graph-type-alias.rs:48:1
    |
-LL | #[rustc_then_this_would_need(TypeOfItem)]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | #[rustc_then_this_would_need(type_of)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: OK
   --> $DIR/dep-graph-type-alias.rs:51:1