1 files changed, 31 insertions, 0 deletions
diff --git a/testsuite/compilable/generic_base_chain.elna b/testsuite/compilable/generic_base_chain.elna
new file mode 100644
index 0000000..736042b
--- /dev/null
+++ b/testsuite/compilable/generic_base_chain.elna
@@ -0,0 +1,31 @@
+type
+  File = record
+    fd: Int
+  end
+
+  Map#[K, V] = record
+    key: K;
+    value: V
+  end
+
+  Cache#[K, V] = record(Map#[^Word8, V])
+    newest: K
+  end
+
+var
+  store: Cache#[^Int, ^File]
+  byte_key: ^Word8
+  upcast: ^Map#[^Word8, ^File]
+
+proc put#[K2, V2](target: ^Map#[K2, V2]; key: K2)
+begin
+  target^.key := key
+return
+
+program()
+begin
+  upcast := @store;
+  put(@store, byte_key)
+return 0u8
+
+end.