Add HAS_CT_INFER

Co-Authored-By: Gabriel Smith <yodaldevoid@users.noreply.github.com>

Author: varkor

src/librustc/ty/mod.rs

@@ -54,14 +54,14 @@ use crate::hir;
 
 pub use self::sty::{Binder, BoundTy, BoundTyKind, BoundVar, DebruijnIndex, INNERMOST};
 pub use self::sty::{FnSig, GenSig, CanonicalPolyFnSig, PolyFnSig, PolyGenSig};
-pub use self::sty::{InferTy, ParamTy, ProjectionTy, ExistentialPredicate};
+pub use self::sty::{InferTy, ParamTy, ParamConst, InferConst, ProjectionTy, ExistentialPredicate};
 pub use self::sty::{ClosureSubsts, GeneratorSubsts, UpvarSubsts, TypeAndMut};
 pub use self::sty::{TraitRef, TyKind, PolyTraitRef};
 pub use self::sty::{ExistentialTraitRef, PolyExistentialTraitRef};
 pub use self::sty::{ExistentialProjection, PolyExistentialProjection, Const, LazyConst};
 pub use self::sty::{BoundRegion, EarlyBoundRegion, FreeRegion, Region};
 pub use self::sty::RegionKind;
-pub use self::sty::{TyVid, IntVid, FloatVid, RegionVid};
+pub use self::sty::{TyVid, IntVid, FloatVid, ConstVid, RegionVid};
 pub use self::sty::BoundRegion::*;
 pub use self::sty::InferTy::*;
 pub use self::sty::RegionKind::*;
@@ -451,6 +451,8 @@ bitflags! {
 
         const HAS_TY_PLACEHOLDER = 1 << 14;
 
+        const HAS_CT_INFER = 1 << 15;
+
         const NEEDS_SUBST        = TypeFlags::HAS_PARAMS.bits |
                                    TypeFlags::HAS_SELF.bits |
                                    TypeFlags::HAS_RE_EARLY_BOUND.bits;
@@ -462,6 +464,7 @@ bitflags! {
                                   TypeFlags::HAS_SELF.bits |
                                   TypeFlags::HAS_TY_INFER.bits |
                                   TypeFlags::HAS_RE_INFER.bits |
+                                  TypeFlags::HAS_CT_INFER.bits |
                                   TypeFlags::HAS_RE_PLACEHOLDER.bits |
                                   TypeFlags::HAS_RE_EARLY_BOUND.bits |
                                   TypeFlags::HAS_FREE_REGIONS.bits |