1 files changed, 27 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-57271.stderr b/tests/ui/issues/issue-57271.stderr
new file mode 100644
index 000000000..391e69c91
--- /dev/null
+++ b/tests/ui/issues/issue-57271.stderr
@@ -0,0 +1,27 @@
+error[E0072]: recursive types `ObjectType` and `TypeSignature` have infinite size
+  --> $DIR/issue-57271.rs:7:1
+   |
+LL | pub enum ObjectType {
+   | ^^^^^^^^^^^^^^^^^^^
+LL |     Class(ClassTypeSignature),
+LL |     Array(TypeSignature),
+   |           ------------- recursive without indirection
+...
+LL | pub enum TypeSignature {
+   | ^^^^^^^^^^^^^^^^^^^^^^
+LL |     Base(BaseType),
+LL |     Object(ObjectType),
+   |            ---------- recursive without indirection
+   |
+help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
+   |
+LL ~     Array(Box<TypeSignature>),
+LL |     TypeVariable(()),
+ ...
+LL |     Base(BaseType),
+LL ~     Object(Box<ObjectType>),
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0072`.