Accept LocalDefId as key for mir_borrowck query

Author: marmeladema

src/librustc_interface/passes.rs

@@ -835,7 +835,7 @@ fn analysis(tcx: TyCtxt<'_>, cnum: CrateNum) -> Result<()> {
     });
 
     sess.time("MIR_borrow_checking", || {
-        tcx.par_body_owners(|def_id| tcx.ensure().mir_borrowck(def_id.to_def_id()));
+        tcx.par_body_owners(|def_id| tcx.ensure().mir_borrowck(def_id));
     });
 
     sess.time("dumping_chalk_like_clauses", || {

src/librustc_middle/query/mod.rs

@@ -494,12 +494,11 @@ rustc_queries! {
     BorrowChecking {
         /// Borrow-checks the function body. If this is a closure, returns
         /// additional requirements that the closure's creator must verify.
-        query mir_borrowck(key: DefId) -> &'tcx mir::BorrowCheckResult<'tcx> {
-            desc { |tcx| "borrow-checking `{}`", tcx.def_path_str(key) }
+        query mir_borrowck(key: LocalDefId) -> &'tcx mir::BorrowCheckResult<'tcx> {
+            desc { |tcx| "borrow-checking `{}`", tcx.def_path_str(key.to_def_id()) }
             cache_on_disk_if(tcx, opt_result) {
-                key.is_local()
-                    && (tcx.is_closure(key)
-                        || opt_result.map_or(false, |r| !r.concrete_opaque_types.is_empty()))
+                tcx.is_closure(key.to_def_id())
+                    || opt_result.map_or(false, |r| !r.concrete_opaque_types.is_empty())
             }
         }
     }

src/librustc_mir/borrow_check/mod.rs

@@ -92,14 +92,14 @@ pub fn provide(providers: &mut Providers<'_>) {
     *providers = Providers { mir_borrowck, ..*providers };
 }
 
-fn mir_borrowck(tcx: TyCtxt<'_>, def_id: DefId) -> &BorrowCheckResult<'_> {
-    let (input_body, promoted) = tcx.mir_validated(def_id);
-    debug!("run query mir_borrowck: {}", tcx.def_path_str(def_id));
+fn mir_borrowck(tcx: TyCtxt<'_>, def_id: LocalDefId) -> &BorrowCheckResult<'_> {
+    let (input_body, promoted) = tcx.mir_validated(def_id.to_def_id());
+    debug!("run query mir_borrowck: {}", tcx.def_path_str(def_id.to_def_id()));
 
     let opt_closure_req = tcx.infer_ctxt().enter(|infcx| {
         let input_body: &Body<'_> = &input_body.borrow();
         let promoted: &IndexVec<_, _> = &promoted.borrow();
-        do_mir_borrowck(&infcx, input_body, promoted, def_id.expect_local())
+        do_mir_borrowck(&infcx, input_body, promoted, def_id)
     });
     debug!("mir_borrowck done");
 
@@ -1268,7 +1268,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
                 match **aggregate_kind {
                     AggregateKind::Closure(def_id, _) | AggregateKind::Generator(def_id, _, _) => {
                         let BorrowCheckResult { used_mut_upvars, .. } =
-                            self.infcx.tcx.mir_borrowck(def_id);
+                            self.infcx.tcx.mir_borrowck(def_id.expect_local());
                         debug!("{:?} used_mut_upvars={:?}", def_id, used_mut_upvars);
                         for field in used_mut_upvars {
                             self.propagate_closure_used_mut_upvar(&operands[field.index()]);

src/librustc_mir/borrow_check/type_check/mod.rs

@@ -9,7 +9,7 @@ use rustc_data_structures::frozen::Frozen;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::struct_span_err;
 use rustc_hir as hir;
-use rustc_hir::def_id::DefId;
+use rustc_hir::def_id::{DefId, LocalDefId};
 use rustc_index::vec::{Idx, IndexVec};
 use rustc_infer::infer::canonical::QueryRegionConstraints;
 use rustc_infer::infer::outlives::env::RegionBoundPairs;
@@ -2569,7 +2569,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
             // clauses on the struct.
             AggregateKind::Closure(def_id, substs)
             | AggregateKind::Generator(def_id, substs, _) => {
-                self.prove_closure_bounds(tcx, *def_id, substs, location)
+                self.prove_closure_bounds(tcx, def_id.expect_local(), substs, location)
             }
 
             AggregateKind::Array(_) | AggregateKind::Tuple => ty::InstantiatedPredicates::empty(),
@@ -2584,14 +2584,18 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
     fn prove_closure_bounds(
         &mut self,
         tcx: TyCtxt<'tcx>,
-        def_id: DefId,
+        def_id: LocalDefId,
         substs: SubstsRef<'tcx>,
         location: Location,
     ) -> ty::InstantiatedPredicates<'tcx> {
         if let Some(ref closure_region_requirements) = tcx.mir_borrowck(def_id).closure_requirements
         {
             let closure_constraints = QueryRegionConstraints {
-                outlives: closure_region_requirements.apply_requirements(tcx, def_id, substs),
+                outlives: closure_region_requirements.apply_requirements(
+                    tcx,
+                    def_id.to_def_id(),
+                    substs,
+                ),
 
                 // Presently, closures never propagate member
                 // constraints to their parents -- they are enforced

src/librustc_mir/transform/mod.rs

@@ -371,7 +371,7 @@ fn optimized_mir(tcx: TyCtxt<'_>, def_id: DefId) -> &Body<'_> {
 
     // (Mir-)Borrowck uses `mir_validated`, so we have to force it to
     // execute before we can steal.
-    tcx.ensure().mir_borrowck(def_id);
+    tcx.ensure().mir_borrowck(def_id.expect_local());
 
     let (body, _) = tcx.mir_validated(def_id);
     let mut body = body.steal();
@@ -387,7 +387,7 @@ fn promoted_mir(tcx: TyCtxt<'_>, def_id: DefId) -> &IndexVec<Promoted, Body<'_>>
         return tcx.intern_promoted(IndexVec::new());
     }
 
-    tcx.ensure().mir_borrowck(def_id);
+    tcx.ensure().mir_borrowck(def_id.expect_local());
     let (_, promoted) = tcx.mir_validated(def_id);
     let mut promoted = promoted.steal();
 

src/librustc_typeck/collect/type_of.rs

@@ -114,7 +114,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> {
                 ItemKind::OpaqueTy(OpaqueTy { impl_trait_fn: Some(owner), origin, .. }) => {
                     let concrete_types = match origin {
                         OpaqueTyOrigin::FnReturn | OpaqueTyOrigin::AsyncFn => {
-                            &tcx.mir_borrowck(owner).concrete_opaque_types
+                            &tcx.mir_borrowck(owner.expect_local()).concrete_opaque_types
                         }
                         OpaqueTyOrigin::Misc => {
                             // We shouldn't leak borrowck results through impl trait in bindings.