https://issues.dlang.org/show_bug.cgi?id=16980
--- Comment #3 from Martin Nowak <c...@dawg.eu> --- Semantic for this.ab.bar() in the dtor runs first. The cast gets incorrectly optimized away, because the offset returned by cdto.isBaseOf(cdfrom, &offset) [¹] is 0 instead of 8. Maybe the struct size for one of the classes hasn't been finalized. [¹]: https://github.com/dlang/dmd/blob/3cbb4d8dee6c2be433a147996c445db0ccdc81db/src/optimize.d#L596 --
