diff --git a/tests/source/struct-field-attributes.rs b/tests/source/struct-field-attributes.rs
index 6fc69c2dfe4..b66ed1ed8f1 100644
--- a/tests/source/struct-field-attributes.rs
+++ b/tests/source/struct-field-attributes.rs
@@ -35,3 +35,12 @@ fn new_foo() -> Foo {
         bar: 0,
     }
 }
+
+// #2044
+pub enum State {
+    Closure(#[cfg_attr(feature = "serde_derive", serde(state_with = "::serialization::closure"))] GcPtr<ClosureData>),
+}
+
+struct Fields(
+    #[cfg_attr(feature = "serde_derive", serde(state_with = "::base::serialization::shared"))] Arc<Vec<InternedStr>>,
+);
diff --git a/tests/target/struct-field-attributes.rs b/tests/target/struct-field-attributes.rs
index 0a863ca4979..d9d790c00af 100644
--- a/tests/target/struct-field-attributes.rs
+++ b/tests/target/struct-field-attributes.rs
@@ -33,3 +33,16 @@ fn new_foo() -> Foo {
         bar: 0,
     }
 }
+
+// #2044
+pub enum State {
+    Closure(
+        #[cfg_attr(feature = "serde_derive", serde(state_with = "::serialization::closure"))]
+        GcPtr<ClosureData>,
+    ),
+}
+
+struct Fields(
+    #[cfg_attr(feature = "serde_derive", serde(state_with = "::base::serialization::shared"))]
+    Arc<Vec<InternedStr>>,
+);