Remove TypeckResults from InferCtxt

compiler/rustc_trait_selection/src/traits/query/evaluate_obligation.rs

@@ -31,7 +31,7 @@ pub trait InferCtxtExt<'tcx> {
     ) -> EvaluationResult;
 }
 
-impl<'cx, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'cx, 'tcx> {
+impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> {
     /// Evaluates whether the predicate can be satisfied (by any means)
     /// in the given `ParamEnv`.
     fn predicate_may_hold(&self, obligation: &PredicateObligation<'tcx>) -> bool {

compiler/rustc_trait_selection/src/traits/query/normalize.rs

@@ -154,7 +154,7 @@ impl<'tcx> TypeVisitor<'tcx> for MaxEscapingBoundVarVisitor {
 }
 
 struct QueryNormalizer<'cx, 'tcx> {
-    infcx: &'cx InferCtxt<'cx, 'tcx>,
+    infcx: &'cx InferCtxt<'tcx>,
     cause: &'cx ObligationCause<'tcx>,
     param_env: ty::ParamEnv<'tcx>,
     obligations: Vec<PredicateObligation<'tcx>>,

compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs

@@ -16,7 +16,7 @@ pub struct CustomTypeOp<F, G> {
 impl<F, G> CustomTypeOp<F, G> {
     pub fn new<'tcx, R>(closure: F, description: G) -> Self
     where
-        F: FnOnce(&InferCtxt<'_, 'tcx>) -> Fallible<InferOk<'tcx, R>>,
+        F: FnOnce(&InferCtxt<'tcx>) -> Fallible<InferOk<'tcx, R>>,
         G: Fn() -> String,
     {
         CustomTypeOp { closure, description }
@@ -25,7 +25,7 @@ impl<F, G> CustomTypeOp<F, G> {
 
 impl<'tcx, F, R: fmt::Debug, G> super::TypeOp<'tcx> for CustomTypeOp<F, G>
 where
-    F: for<'a, 'cx> FnOnce(&'a InferCtxt<'cx, 'tcx>) -> Fallible<InferOk<'tcx, R>>,
+    F: for<'a, 'cx> FnOnce(&'a InferCtxt<'tcx>) -> Fallible<InferOk<'tcx, R>>,
     G: Fn() -> String,
 {
     type Output = R;
@@ -36,7 +36,7 @@ where
     /// Processes the operation and all resulting obligations,
     /// returning the final result along with any region constraints
     /// (they will be given over to the NLL region solver).
-    fn fully_perform(self, infcx: &InferCtxt<'_, 'tcx>) -> Fallible<TypeOpOutput<'tcx, Self>> {
+    fn fully_perform(self, infcx: &InferCtxt<'tcx>) -> Fallible<TypeOpOutput<'tcx, Self>> {
         if cfg!(debug_assertions) {
             info!("fully_perform({:?})", self);
         }
@@ -57,7 +57,7 @@ where
 /// Executes `op` and then scrapes out all the "old style" region
 /// constraints that result, creating query-region-constraints.
 pub fn scrape_region_constraints<'tcx, Op: super::TypeOp<'tcx, Output = R>, R>(
-    infcx: &InferCtxt<'_, 'tcx>,
+    infcx: &InferCtxt<'tcx>,
     op: impl FnOnce() -> Fallible<InferOk<'tcx, R>>,
 ) -> Fallible<(TypeOpOutput<'tcx, Op>, RegionConstraintData<'tcx>)> {
     // During NLL, we expect that nobody will register region

compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs

@@ -32,7 +32,7 @@ pub trait TypeOp<'tcx>: Sized + fmt::Debug {
     /// Processes the operation and all resulting obligations,
     /// returning the final result along with any region constraints
     /// (they will be given over to the NLL region solver).
-    fn fully_perform(self, infcx: &InferCtxt<'_, 'tcx>) -> Fallible<TypeOpOutput<'tcx, Self>>;
+    fn fully_perform(self, infcx: &InferCtxt<'tcx>) -> Fallible<TypeOpOutput<'tcx, Self>>;
 }
 
 /// The output from performing a type op
@@ -78,7 +78,7 @@ pub trait QueryTypeOp<'tcx>: fmt::Debug + Copy + TypeFoldable<'tcx> + 'tcx {
 
     fn fully_perform_into(
         query_key: ParamEnvAnd<'tcx, Self>,
-        infcx: &InferCtxt<'_, 'tcx>,
+        infcx: &InferCtxt<'tcx>,
         output_query_region_constraints: &mut QueryRegionConstraints<'tcx>,
     ) -> Fallible<(
         Self::QueryResponse,
@@ -120,7 +120,7 @@ where
     type Output = Q::QueryResponse;
     type ErrorInfo = Canonical<'tcx, ParamEnvAnd<'tcx, Q>>;
 
-    fn fully_perform(self, infcx: &InferCtxt<'_, 'tcx>) -> Fallible<TypeOpOutput<'tcx, Self>> {
+    fn fully_perform(self, infcx: &InferCtxt<'tcx>) -> Fallible<TypeOpOutput<'tcx, Self>> {
         let mut region_constraints = QueryRegionConstraints::default();
         let (output, error_info, mut obligations, _) =
             Q::fully_perform_into(self, infcx, &mut region_constraints)?;