1 files changed, 3 insertions, 4 deletions
diff --git a/compiler/rustc_middle/src/infer/unify_key.rs b/compiler/rustc_middle/src/infer/unify_key.rs
index a873854f0..85fb9214d 100644
--- a/compiler/rustc_middle/src/infer/unify_key.rs
+++ b/compiler/rustc_middle/src/infer/unify_key.rs
@@ -90,15 +90,15 @@ impl<'tcx> UnifyValue for UnifiedRegion<'tcx> {
 impl ToType for ty::IntVarValue {
     fn to_type<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
         match *self {
-            ty::IntType(i) => tcx.mk_mach_int(i),
-            ty::UintType(i) => tcx.mk_mach_uint(i),
+            ty::IntType(i) => Ty::new_int(tcx, i),
+            ty::UintType(i) => Ty::new_uint(tcx, i),
         }
     }
 }
 
 impl ToType for ty::FloatVarValue {
     fn to_type<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
-        tcx.mk_mach_float(self.0)
+        Ty::new_float(tcx, self.0)
     }
 }
 
@@ -116,7 +116,6 @@ pub enum ConstVariableOriginKind {
     MiscVariable,
     ConstInference,
     ConstParameterDefinition(Symbol, DefId),
-    SubstitutionPlaceholder,
 }
 
 #[derive(Copy, Clone, Debug)]