Add missing annotation assignments

test/libsolidity/syntaxTests/lvalues/lvalue_not_set.sol

@@ -0,0 +1,11 @@
+contract C {
+    function foo(uint x) public
+    {
+        // Used to cause an ICE
+        uint p = new uint[] = x;
+    }
+}
+// ----
+// TypeError 4247: (100-110): Expression has to be an lvalue.
+// TypeError 7407: (113-114): Type uint256 is not implicitly convertible to expected type function (uint256) pure returns (uint256[] memory).
+// TypeError 9574: (91-114): Type function (uint256) pure returns (uint256[] memory) is not implicitly convertible to expected type uint256.