Special case remote = "Self"

test_suite/tests/test_gen.rs

@@ -385,6 +385,10 @@ fn test_gen() {
         s: vis::S,
     }
 
+    #[derive(Serialize, Deserialize)]
+    #[serde(remote = "Self")]
+    struct RemoteSelf;
+
     #[derive(Serialize, Deserialize)]
     enum ExternallyTaggedVariantWith {
         #[allow(dead_code)]