https://issues.dlang.org/show_bug.cgi?id=13236
--- Comment #3 from github-bugzi...@puremagic.com --- Commits pushed to stable at https://github.com/D-Programming-Language/dmd https://github.com/D-Programming-Language/dmd/commit/6bcabda72140387afd10b2e369e4a4f9750a20f1 fix Issue 13236 - Invalid recursive struct field error not gagged in 'is'-expression https://github.com/D-Programming-Language/dmd/commit/aee306108957e32b364804a58b64f6ea8d671954 Merge pull request #4432 from 9rnsr/fix13236 --