Remove in_band_lifetimes from rustc_query_impl

compiler/rustc_query_impl/src/keys.rs

@@ -151,7 +151,7 @@ impl Key for (DefId, DefId) {
     }
 }
 
-impl Key for (ty::Instance<'tcx>, LocalDefId) {
+impl<'tcx> Key for (ty::Instance<'tcx>, LocalDefId) {
     #[inline(always)]
     fn query_crate_is_local(&self) -> bool {
         true

compiler/rustc_query_impl/src/lib.rs

@@ -2,7 +2,6 @@
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![feature(crate_visibility_modifier)]
-#![feature(in_band_lifetimes)]
 #![feature(nll)]
 #![feature(min_specialization)]
 #![feature(once_cell)]

compiler/rustc_query_impl/src/on_disk_cache.rs

@@ -212,7 +212,7 @@ impl<'sess> rustc_middle::ty::OnDiskCache<'sess> for OnDiskCache<'sess> {
     /// Cache promotions require invoking queries, which needs to read the serialized data.
     /// In order to serialize the new on-disk cache, the former on-disk cache file needs to be
     /// deleted, hence we won't be able to refer to its memmapped data.
-    fn drop_serialized_data(&self, tcx: TyCtxt<'tcx>) {
+    fn drop_serialized_data(&self, tcx: TyCtxt<'_>) {
         // Load everything into memory so we can write it out to the on-disk
         // cache. The vast majority of cacheable query results should already
         // be in memory, so this should be a cheap operation.

compiler/rustc_query_impl/src/plumbing.rs

@@ -31,7 +31,7 @@ impl<'tcx> std::ops::Deref for QueryCtxt<'tcx> {
     }
 }
 
-impl HasDepContext for QueryCtxt<'tcx> {
+impl<'tcx> HasDepContext for QueryCtxt<'tcx> {
     type DepKind = rustc_middle::dep_graph::DepKind;
     type DepContext = TyCtxt<'tcx>;
 
@@ -41,7 +41,7 @@ impl HasDepContext for QueryCtxt<'tcx> {
     }
 }
 
-impl QueryContext for QueryCtxt<'tcx> {
+impl QueryContext for QueryCtxt<'_> {
     fn current_query_job(&self) -> Option<QueryJobId<Self::DepKind>> {
         tls::with_related_context(**self, |icx| icx.query)
     }
@@ -130,7 +130,7 @@ impl<'tcx> QueryCtxt<'tcx> {
 
     pub(super) fn encode_query_results(
         self,
-        encoder: &mut on_disk_cache::CacheEncoder<'a, 'tcx, opaque::FileEncoder>,
+        encoder: &mut on_disk_cache::CacheEncoder<'_, 'tcx, opaque::FileEncoder>,
         query_result_index: &mut on_disk_cache::EncodedDepNodeIndex,
     ) -> opaque::FileEncodeResult {
         macro_rules! encode_queries {
@@ -511,7 +511,7 @@ macro_rules! define_queries_struct {
             }
         }
 
-        impl QueryEngine<'tcx> for Queries<'tcx> {
+        impl<'tcx> QueryEngine<'tcx> for Queries<'tcx> {
             fn as_any(&'tcx self) -> &'tcx dyn std::any::Any {
                 let this = unsafe { std::mem::transmute::<&Queries<'_>, &Queries<'_>>(self) };
                 this as _

compiler/rustc_query_impl/src/profiling_support.rs

@@ -295,7 +295,7 @@ fn alloc_self_profile_query_strings_for_query_cache<'tcx, C>(
 /// If we are recording only summary data, the ids will point to
 /// just the query names. If we are recording query keys too, we
 /// allocate the corresponding strings here.
-pub fn alloc_self_profile_query_strings(tcx: TyCtxt<'tcx>) {
+pub fn alloc_self_profile_query_strings(tcx: TyCtxt<'_>) {
     if !tcx.prof.enabled() {
         return;
     }