https://issues.dlang.org/show_bug.cgi?id=17059
--- Comment #5 from github-bugzi...@puremagic.com --- Commits pushed to newCTFE at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/c4ac1abed6e6aa95b1312d777f77fb634e2dac07 fix Issue 17059 - incorrect circular reference with `is(Klass : Interface)` https://github.com/dlang/dmd/commit/45c886fab62ed8a99ab054d3d5e9c2e6a38e429e Merge pull request #6412 from MartinNowak/fix17059 --