1 files changed, 14 insertions, 0 deletions
diff --git a/test/libsolidity/syntaxTests/specialFunctions/types_with_unspecified_encoding_structs.sol b/test/libsolidity/syntaxTests/specialFunctions/types_with_unspecified_encoding_structs.sol
new file mode 100644
index 00000000..378155e9
--- /dev/null
+++ b/test/libsolidity/syntaxTests/specialFunctions/types_with_unspecified_encoding_structs.sol
@@ -0,0 +1,14 @@
+contract C {
+    struct S { uint x; }
+    S s;
+    struct T { }
+    T t;
+    function f() public pure {
+        bytes32 a = sha256(s, t);
+        a;
+    }
+}
+// ----
+// Warning: Defining empty structs is deprecated.
+// TypeError: This type cannot be encoded.
+// TypeError: This type cannot be encoded.