1 files changed, 10 insertions, 4 deletions

diff --git a/compiler/rustc_middle/src/ty/typeck_results.rs b/compiler/rustc_middle/src/ty/typeck_results.rs
index 2902c6dc5..586958247 100644
--- a/compiler/rustc_middle/src/ty/typeck_results.rs
+++ b/compiler/rustc_middle/src/ty/typeck_results.rs
@@ -1,6 +1,7 @@
 use crate::{
     hir::place::Place as HirPlace,
     infer::canonical::Canonical,
+    traits::ObligationCause,
     ty::{
         self, tls, BindingMode, BoundVar, CanonicalPolyFnSig, ClosureSizeProfileData,
         GenericArgKind, InternalSubsts, SubstsRef, Ty, UserSubsts,
@@ -193,6 +194,11 @@ pub struct TypeckResults<'tcx> {
     /// that are live across the yield of this generator (if a generator).
     pub generator_interior_types: ty::Binder<'tcx, Vec<GeneratorInteriorTypeCause<'tcx>>>,
 
+    /// Stores the predicates that apply on generator witness types.
+    /// formatting modified file tests/ui/generator/retain-resume-ref.rs
+    pub generator_interior_predicates:
+        FxHashMap<LocalDefId, Vec<(ty::Predicate<'tcx>, ObligationCause<'tcx>)>>,
+
     /// We sometimes treat byte string literals (which are of type `&[u8; N]`)
     /// as `&[u8]`, depending on the pattern in which they are used.
     /// This hashset records all instances where we behave
@@ -271,6 +277,7 @@ impl<'tcx> TypeckResults<'tcx> {
             closure_fake_reads: Default::default(),
             rvalue_scopes: Default::default(),
             generator_interior_types: ty::Binder::dummy(Default::default()),
+            generator_interior_predicates: Default::default(),
             treat_byte_string_as_slice: Default::default(),
             closure_size_eval: Default::default(),
         }
@@ -365,7 +372,7 @@ impl<'tcx> TypeckResults<'tcx> {
 
     pub fn node_type(&self, id: hir::HirId) -> Ty<'tcx> {
         self.node_type_opt(id).unwrap_or_else(|| {
-            bug!("node_type: no type for node `{}`", tls::with(|tcx| tcx.hir().node_to_string(id)))
+            bug!("node_type: no type for node {}", tls::with(|tcx| tcx.hir().node_to_string(id)))
         })
     }
 
@@ -544,9 +551,8 @@ fn validate_hir_id_for_typeck_results(hir_owner: OwnerId, hir_id: hir::HirId) {
 fn invalid_hir_id_for_typeck_results(hir_owner: OwnerId, hir_id: hir::HirId) {
     ty::tls::with(|tcx| {
         bug!(
-            "node {} with HirId::owner {:?} cannot be placed in TypeckResults with hir_owner {:?}",
+            "node {} cannot be placed in TypeckResults with hir_owner {:?}",
             tcx.hir().node_to_string(hir_id),
-            hir_id.owner,
             hir_owner
         )
     });
@@ -563,7 +569,7 @@ impl<'a, V> LocalTableInContext<'a, V> {
         self.data.contains_key(&id.local_id)
     }
 
-    pub fn get(&self, id: hir::HirId) -> Option<&V> {
+    pub fn get(&self, id: hir::HirId) -> Option<&'a V> {
         validate_hir_id_for_typeck_results(self.hir_owner, id);
         self.data.get(&id.local_id)
     }