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Revert "Auto merge of #91354 - fee1-dead:const_env, r=spastorino"

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This reverts commit 18bb8c61a9, reversing
changes made to d9baa36190.
This commit is contained in:
Santiago Pastorino 2021-12-03 10:11:21 -03:00
parent 3e21768a0a
commit 85b723c4e6
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GPG key ID: 8131A24E0C79EFAF
49 changed files with 428 additions and 376 deletions
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10
compiler/rustc_middle/src/traits/select.rs
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@ -12,12 +12,14 @@ use rustc_hir::def_id::DefId;
use rustc_query_system::cache::Cache;
pub type SelectionCache<'tcx> = Cache<
ty::ParamEnvAnd<'tcx, ty::TraitPredicate<'tcx>>,
(ty::ConstnessAnd<ty::ParamEnvAnd<'tcx, ty::TraitRef<'tcx>>>, ty::ImplPolarity),
SelectionResult<'tcx, SelectionCandidate<'tcx>>,
>;
pub type EvaluationCache<'tcx> =
Cache<ty::ParamEnvAnd<'tcx, ty::PolyTraitPredicate<'tcx>>, EvaluationResult>;
pub type EvaluationCache<'tcx> = Cache<
(ty::ParamEnvAnd<'tcx, ty::ConstnessAnd<ty::PolyTraitRef<'tcx>>>, ty::ImplPolarity),
EvaluationResult,
>;
/// The selection process begins by considering all impls, where
/// clauses, and so forth that might resolve an obligation. Sometimes
@ -101,7 +103,7 @@ pub enum SelectionCandidate<'tcx> {
/// `false` if there are no *further* obligations.
has_nested: bool,
},
ParamCandidate(ty::PolyTraitPredicate<'tcx>),
ParamCandidate((ty::ConstnessAnd<ty::PolyTraitRef<'tcx>>, ty::ImplPolarity)),
ImplCandidate(DefId),
AutoImplCandidate(DefId),