Handle rustc_middle cases of rustc::potential_query_instability lint

Author: ismailarilik

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -1495,6 +1495,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e087f84d4f86bf4b218b927129862374b72199ae7d8657835f1e89000eea4fb"
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1743,12 +1749,12 @@ checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
 
 [[package]]
 name = "indexmap"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
+checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.15.0",
  "rustc-rayon",
  "serde",
 ]
@@ -2442,7 +2448,7 @@ checksum = "084f1a5821ac4c651660a94a7153d27ac9d8a53736203f58b31945ded098070a"
 dependencies = [
  "crc32fast",
  "flate2",
- "hashbrown",
+ "hashbrown 0.14.5",
  "indexmap",
  "memchr",
  "ruzstd",
@@ -2471,7 +2477,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "30c7f82d6d446dd295845094f3a76bcdc5e6183b66667334e169f019cd05e5a0"
 dependencies = [
  "ahash",
- "hashbrown",
+ "hashbrown 0.14.5",
  "parking_lot",
  "stable_deref_trait",
 ]
@@ -4000,6 +4006,7 @@ dependencies = [
  "either",
  "field-offset",
  "gsgdt",
+ "indexmap",
  "polonius-engine",
  "rustc-rayon-core",
  "rustc_apfloat",
@@ -5187,7 +5194,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "813ba76597db32dc4f6992fd8bf8f394715b88d352fd97401da67dab6283b4c6"
 dependencies = [
  "gimli 0.30.0",
- "hashbrown",
+ "hashbrown 0.14.5",
  "object 0.36.4",
  "tracing",
 ]
@@ -5847,7 +5854,7 @@ checksum = "b09e46c7fceceaa72b2dd1a8a137ea7fd8f93dfaa69806010a709918e496c5dc"
 dependencies = [
  "ahash",
  "bitflags 2.6.0",
- "hashbrown",
+ "hashbrown 0.14.5",
  "indexmap",
  "semver",
  "serde",

compiler/rustc_data_structures/src/sharded.rs

@@ -1,12 +1,13 @@
 use std::borrow::Borrow;
-use std::collections::hash_map::RawEntryMut;
 use std::hash::{Hash, Hasher};
 use std::{iter, mem};
 
 #[cfg(parallel_compiler)]
 use either::Either;
+use indexmap::map::RawEntryApiV1;
+use indexmap::map::raw_entry_v1::RawEntryMut;
 
-use crate::fx::{FxHashMap, FxHasher};
+use crate::fx::{FxHasher, FxIndexMap};
 #[cfg(parallel_compiler)]
 use crate::sync::{CacheAligned, is_dyn_thread_safe};
 use crate::sync::{Lock, LockGuard, Mode};
@@ -159,15 +160,15 @@ pub fn shards() -> usize {
     1
 }
 
-pub type ShardedHashMap<K, V> = Sharded<FxHashMap<K, V>>;
+pub type ShardedIndexMap<K, V> = Sharded<FxIndexMap<K, V>>;
 
-impl<K: Eq, V> ShardedHashMap<K, V> {
+impl<K: Eq, V> ShardedIndexMap<K, V> {
     pub fn len(&self) -> usize {
         self.lock_shards().map(|shard| shard.len()).sum()
     }
 }
 
-impl<K: Eq + Hash + Copy> ShardedHashMap<K, ()> {
+impl<K: Eq + Hash + Copy> ShardedIndexMap<K, ()> {
     #[inline]
     pub fn intern_ref<Q: ?Sized>(&self, value: &Q, make: impl FnOnce() -> K) -> K
     where
@@ -176,7 +177,7 @@ impl<K: Eq + Hash + Copy> ShardedHashMap<K, ()> {
     {
         let hash = make_hash(value);
         let mut shard = self.lock_shard_by_hash(hash);
-        let entry = shard.raw_entry_mut().from_key_hashed_nocheck(hash, value);
+        let entry = shard.raw_entry_mut_v1().from_key_hashed_nocheck(hash, value);
 
         match entry {
             RawEntryMut::Occupied(e) => *e.key(),
@@ -196,7 +197,7 @@ impl<K: Eq + Hash + Copy> ShardedHashMap<K, ()> {
     {
         let hash = make_hash(&value);
         let mut shard = self.lock_shard_by_hash(hash);
-        let entry = shard.raw_entry_mut().from_key_hashed_nocheck(hash, &value);
+        let entry = shard.raw_entry_mut_v1().from_key_hashed_nocheck(hash, &value);
 
         match entry {
             RawEntryMut::Occupied(e) => *e.key(),
@@ -214,12 +215,12 @@ pub trait IntoPointer {
     fn into_pointer(&self) -> *const ();
 }
 
-impl<K: Eq + Hash + Copy + IntoPointer> ShardedHashMap<K, ()> {
+impl<K: Eq + Hash + Copy + IntoPointer> ShardedIndexMap<K, ()> {
     pub fn contains_pointer_to<T: Hash + IntoPointer>(&self, value: &T) -> bool {
         let hash = make_hash(&value);
         let shard = self.lock_shard_by_hash(hash);
         let value = value.into_pointer();
-        shard.raw_entry().from_hash(hash, |entry| entry.into_pointer() == value).is_some()
+        shard.raw_entry_v1().from_hash(hash, |entry| entry.into_pointer() == value).is_some()
     }
 }
 

compiler/rustc_middle/Cargo.toml

@@ -10,6 +10,7 @@ derive-where = "1.2.7"
 either = "1.5.0"
 field-offset = "0.3.5"
 gsgdt = "0.1.2"
+indexmap = "2.6.0"
 polonius-engine = "0.13.0"
 rustc-rayon-core = { version = "0.5.0", optional = true }
 rustc_apfloat = "0.2.0"

compiler/rustc_middle/src/lib.rs

@@ -26,7 +26,6 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
-#![allow(rustc::potential_query_instability)]
 #![allow(rustc::untranslatable_diagnostic)]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]

compiler/rustc_middle/src/query/mod.rs

@@ -1920,7 +1920,7 @@ rustc_queries! {
     query maybe_unused_trait_imports(_: ()) -> &'tcx FxIndexSet<LocalDefId> {
         desc { "fetching potentially unused trait imports" }
     }
-    query names_imported_by_glob_use(def_id: LocalDefId) -> &'tcx UnordSet<Symbol> {
+    query names_imported_by_glob_use(def_id: LocalDefId) -> &'tcx FxIndexSet<Symbol> {
         desc { |tcx| "finding names imported by glob use for `{}`", tcx.def_path_str(def_id) }
     }
 

compiler/rustc_middle/src/query/on_disk_cache.rs

@@ -1,7 +1,7 @@
 use std::collections::hash_map::Entry;
 use std::mem;
 
-use rustc_data_structures::fx::{FxHashMap, FxIndexSet};
+use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet};
 use rustc_data_structures::memmap::Mmap;
 use rustc_data_structures::sync::{HashMapExt, Lock, Lrc, RwLock};
 use rustc_data_structures::unhash::UnhashMap;
@@ -54,7 +54,7 @@ pub struct OnDiskCache<'sess> {
 
     // Collects all `QuerySideEffects` created during the current compilation
     // session.
-    current_side_effects: Lock<FxHashMap<DepNodeIndex, QuerySideEffects>>,
+    current_side_effects: Lock<FxIndexMap<DepNodeIndex, QuerySideEffects>>,
 
     source_map: &'sess SourceMap,
     file_index_to_stable_id: FxHashMap<SourceFileIndex, EncodedSourceFileId>,

compiler/rustc_middle/src/ty/context.rs

@@ -18,13 +18,12 @@ use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::intern::Interned;
 use rustc_data_structures::profiling::SelfProfilerRef;
-use rustc_data_structures::sharded::{IntoPointer, ShardedHashMap};
+use rustc_data_structures::sharded::{IntoPointer, ShardedIndexMap};
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc_data_structures::steal::Steal;
 use rustc_data_structures::sync::{self, FreezeReadGuard, Lock, Lrc, RwLock, WorkerLocal};
 #[cfg(parallel_compiler)]
 use rustc_data_structures::sync::{DynSend, DynSync};
-use rustc_data_structures::unord::UnordSet;
 use rustc_errors::{
     Applicability, Diag, DiagCtxtHandle, ErrorGuaranteed, LintDiagnostic, MultiSpan,
 };
@@ -698,7 +697,7 @@ impl<'tcx> rustc_type_ir::inherent::Features<TyCtxt<'tcx>> for &'tcx rustc_featu
     }
 }
 
-type InternedSet<'tcx, T> = ShardedHashMap<InternedInSet<'tcx, T>, ()>;
+type InternedSet<'tcx, T> = ShardedIndexMap<InternedInSet<'tcx, T>, ()>;
 
 pub struct CtxtInterners<'tcx> {
     /// The arena that types, regions, etc. are allocated from.
@@ -3207,9 +3206,7 @@ pub fn provide(providers: &mut Providers) {
     providers.maybe_unused_trait_imports =
         |tcx, ()| &tcx.resolutions(()).maybe_unused_trait_imports;
     providers.names_imported_by_glob_use = |tcx, id| {
-        tcx.arena.alloc(UnordSet::from(
-            tcx.resolutions(()).glob_map.get(&id).cloned().unwrap_or_default(),
-        ))
+        tcx.arena.alloc(tcx.resolutions(()).glob_map.get(&id).cloned().unwrap_or_default())
     };
 
     providers.extern_mod_stmt_cnum =

compiler/rustc_middle/src/ty/diagnostics.rs

@@ -4,7 +4,7 @@ use std::borrow::Cow;
 use std::fmt::Write;
 use std::ops::ControlFlow;
 
-use rustc_data_structures::fx::FxHashMap;
+use rustc_data_structures::fx::FxIndexMap;
 use rustc_errors::{Applicability, Diag, DiagArgValue, IntoDiagArg, into_diag_arg_using_display};
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::DefId;
@@ -276,7 +276,7 @@ pub fn suggest_constraining_type_params<'a>(
     param_names_and_constraints: impl Iterator<Item = (&'a str, &'a str, Option<DefId>)>,
     span_to_replace: Option<Span>,
 ) -> bool {
-    let mut grouped = FxHashMap::default();
+    let mut grouped = FxIndexMap::default();
     param_names_and_constraints.for_each(|(param_name, constraint, def_id)| {
         grouped.entry(param_name).or_insert(Vec::new()).push((constraint, def_id))
     });

compiler/rustc_middle/src/ty/mod.rs

@@ -178,7 +178,7 @@ pub struct ResolverGlobalCtxt {
     pub extern_crate_map: FxHashMap<LocalDefId, CrateNum>,
     pub maybe_unused_trait_imports: FxIndexSet<LocalDefId>,
     pub module_children: LocalDefIdMap<Vec<ModChild>>,
-    pub glob_map: FxHashMap<LocalDefId, FxHashSet<Symbol>>,
+    pub glob_map: FxIndexMap<LocalDefId, FxIndexSet<Symbol>>,
     pub main_def: Option<MainDefinition>,
     pub trait_impls: FxIndexMap<DefId, Vec<LocalDefId>>,
     /// A list of proc macro LocalDefIds, written out in the order in which

compiler/rustc_middle/src/ty/print/pretty.rs

@@ -5,7 +5,7 @@ use std::ops::{Deref, DerefMut};
 
 use rustc_apfloat::Float;
 use rustc_apfloat::ieee::{Double, Half, Quad, Single};
-use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
+use rustc_data_structures::fx::FxIndexMap;
 use rustc_data_structures::unord::UnordMap;
 use rustc_hir as hir;
 use rustc_hir::LangItem;
@@ -3338,8 +3338,8 @@ pub fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> DefIdMap<Symbol> {
 
     // Once constructed, unique namespace+symbol pairs will have a `Some(_)` entry, while
     // non-unique pairs will have a `None` entry.
-    let unique_symbols_rev: &mut FxHashMap<(Namespace, Symbol), Option<DefId>> =
-        &mut FxHashMap::default();
+    let unique_symbols_rev: &mut FxIndexMap<(Namespace, Symbol), Option<DefId>> =
+        &mut FxIndexMap::default();
 
     for symbol_set in tcx.resolutions(()).glob_map.values() {
         for symbol in symbol_set {
@@ -3350,7 +3350,7 @@ pub fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> DefIdMap<Symbol> {
     }
 
     for_each_def(tcx, |ident, ns, def_id| {
-        use std::collections::hash_map::Entry::{Occupied, Vacant};
+        use indexmap::map::Entry::{Occupied, Vacant};
 
         match unique_symbols_rev.entry((ns, ident.name)) {
             Occupied(mut v) => match v.get() {
@@ -3369,7 +3369,7 @@ pub fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> DefIdMap<Symbol> {
 
     // Put the symbol from all the unique namespace+symbol pairs into `map`.
     let mut map: DefIdMap<Symbol> = Default::default();
-    for ((_, symbol), opt_def_id) in unique_symbols_rev.drain() {
+    for ((_, symbol), opt_def_id) in unique_symbols_rev.drain(..) {
         use std::collections::hash_map::Entry::{Occupied, Vacant};
 
         if let Some(def_id) = opt_def_id {