Support as casts in abstract consts

1 files changed, 3 insertions, 2 deletions

diff --git a/compiler/rustc_middle/src/mir/abstract_const.rs b/compiler/rustc_middle/src/mir/abstract_const.rs
index 776a777b1bd..1ef10241143 100644
--- a/compiler/rustc_middle/src/mir/abstract_const.rs
+++ b/compiler/rustc_middle/src/mir/abstract_const.rs
@@ -1,6 +1,6 @@
 //! A subset of a mir body used for const evaluatability checking.
-use crate::mir;
-use crate::ty;
+use crate::mir::{self, CastKind};
+use crate::ty::{self, Ty};
 
 rustc_index::newtype_index! {
     /// An index into an `AbstractConst`.
@@ -17,6 +17,7 @@ pub enum Node<'tcx> {
     Binop(mir::BinOp, NodeId, NodeId),
     UnaryOp(mir::UnOp, NodeId),
     FunctionCall(NodeId, &'tcx [NodeId]),
+    Cast(CastKind, NodeId, Ty<'tcx>),
 }
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq, HashStable, TyEncodable, TyDecodable)]