Fix internal compiler error for arrays of recursive structs.

test/libsolidity/semanticTests/structs/array_of_recursive_struct.sol

@@ -0,0 +1,12 @@
+contract Test {
+    struct RecursiveStruct {
+        RecursiveStruct[] vals;
+    }
+
+    function func() public pure {
+        RecursiveStruct[1] memory val = [ RecursiveStruct(new RecursiveStruct[](42)) ];
+        assert(val[0].vals.length == 42);
+    }
+}
+// -----
+// func() ->

test/libsolidity/syntaxTests/structs/recursion/static_array_of_recursive_structs.sol

@@ -0,0 +1,10 @@
+contract Test {
+    struct RecursiveStruct {
+        RecursiveStruct[] vals;
+    }
+
+    function func() private pure {
+        RecursiveStruct[1] memory val;
+        val;
+    }
+}