contract D { } contract C { struct S { D d; function () external returns (uint) f; } S public s; function test() public view { (D d, function () external returns (uint) f) = this.s(); assert(d == s.d); // should hold assert(address(d) == address(this)); // should fail } } // ==== // SMTEngine: all // ---- // Warning 2072: (146-183): Unused local variable. // Warning 6328: (234-269): CHC: Assertion violation happens here.\nCounterexample:\ns = {d: 0, f: 0}\nd = 0\nf = 0\n\nTransaction trace:\nC.constructor()\nState: s = {d: 0, f: 0}\nC.test()