Adding new tests and activating old tests.

test/libsolidity/semanticTests/structs/calldata/calldata_struct_with_array_to_memory.sol

@@ -0,0 +1,23 @@
+pragma experimental ABIEncoderV2;
+
+contract C {
+    struct S {
+        uint256 a;
+        uint256[2] b;
+        uint256 c;
+    }
+
+    function f(S calldata c)
+        external
+        pure
+        returns (uint256, uint256, uint256, uint256)
+    {
+        S memory m = c;
+        return (m.a, m.b[0], m.b[1], m.c);
+    }
+}
+
+// ====
+// compileViaYul: also
+// ----
+// f((uint256,uint256[2],uint256)): 42, 1, 2, 23 -> 42, 1, 2, 23