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

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Cleanup: Eliminate ConstnessAnd

This is almost a behaviour-free change and purely a refactoring. "almost" because we appear to be using the wrong ParamEnv somewhere already, and this is now exposed by failing a test using the unstable `~const` feature.

We most definitely need to review all `without_const` and at some point should probably get rid of many of them by using `TraitPredicate` instead of `TraitRef`.

This is a continuation of https://github.com/rust-lang/rust/pull/90274.

r? `@oli-obk`

cc `@spastorino` `@ecstatic-morse`
This commit is contained in:
bors 2021-12-02 11:48:58 +00:00
commit 18bb8c61a9
49 changed files with 380 additions and 430 deletions
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compiler/rustc_borrowck/src/type_check/mod.rs
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@ -31,7 +31,7 @@ use rustc_middle::ty::fold::TypeFoldable;
use rustc_middle::ty::subst::{GenericArgKind, SubstsRef, UserSubsts};
use rustc_middle::ty::{
self, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, OpaqueTypeKey, RegionVid,
ToPredicate, Ty, TyCtxt, UserType, UserTypeAnnotationIndex, WithConstness,
ToPredicate, Ty, TyCtxt, UserType, UserTypeAnnotationIndex,
};
use rustc_span::def_id::CRATE_DEF_ID;
use rustc_span::{Span, DUMMY_SP};