bjoernager/rust
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global param_env canonicalization cache

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This commit is contained in:
Ali MJ Al-Nasrawy 2023-12-04 20:42:41 +00:00
parent 6f40082313
commit f38d1e971d
6 changed files with 128 additions and 22 deletions
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8
compiler/rustc_trait_selection/src/traits/misc.rs
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@ -9,7 +9,7 @@ use rustc_infer::infer::canonical::Canonical;
use rustc_infer::infer::{RegionResolutionError, TyCtxtInferExt};
use rustc_infer::traits::query::NoSolution;
use rustc_infer::{infer::outlives::env::OutlivesEnvironment, traits::FulfillmentError};
use rustc_middle::ty::{self, AdtDef, GenericArg, List, ParamEnv, Ty, TyCtxt, TypeVisitableExt};
use rustc_middle::ty::{self, AdtDef, GenericArg, List, Ty, TyCtxt, TypeVisitableExt};
use rustc_span::DUMMY_SP;
use super::outlives_bounds::InferCtxtExt;
@ -209,10 +209,10 @@ pub fn all_fields_implement_trait<'tcx>(
pub fn check_tys_might_be_eq<'tcx>(
tcx: TyCtxt<'tcx>,
canonical: Canonical<'tcx, (ParamEnv<'tcx>, Ty<'tcx>, Ty<'tcx>)>,
canonical: Canonical<'tcx, ty::ParamEnvAnd<'tcx, (Ty<'tcx>, Ty<'tcx>)>>,
) -> Result<(), NoSolution> {
let (infcx, (param_env, ty_a, ty_b), _) =
tcx.infer_ctxt().build_with_canonical(DUMMY_SP, &canonical);
let (infcx, key, _) = tcx.infer_ctxt().build_with_canonical(DUMMY_SP, &canonical);
let (param_env, (ty_a, ty_b)) = key.into_parts();
let ocx = ObligationCtxt::new(&infcx);
let result = ocx.eq(&ObligationCause::dummy(), param_env, ty_a, ty_b);