1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/query/erase.rs b/compiler/rustc_middle/src/query/erase.rs
index 348f79ed6a8..9b666222ad0 100644
--- a/compiler/rustc_middle/src/query/erase.rs
+++ b/compiler/rustc_middle/src/query/erase.rs
@@ -1,4 +1,5 @@
 use crate::mir;
+use crate::query::CyclePlaceholder;
 use crate::traits;
 use crate::ty::{self, Ty};
 use std::mem::{size_of, transmute_copy, MaybeUninit};
@@ -142,6 +143,10 @@ impl EraseType for Result<&'_ ty::List<Ty<'_>>, ty::util::AlwaysRequiresDrop> {
         [u8; size_of::<Result<&'static ty::List<Ty<'static>>, ty::util::AlwaysRequiresDrop>>()];
 }
 
+impl EraseType for Result<ty::EarlyBinder<Ty<'_>>, CyclePlaceholder> {
+    type Result = [u8; size_of::<Result<ty::EarlyBinder<Ty<'_>>, CyclePlaceholder>>()];
+}
+
 impl<T> EraseType for Option<&'_ T> {
     type Result = [u8; size_of::<Option<&'static ()>>()];
 }