https://issues.dlang.org/show_bug.cgi?id=16564
--- Comment #9 from github-bugzi...@puremagic.com --- Commits pushed to stable at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/02074889d5984093b677a1c081c33fbf877360ec Fix Issue 16564 - KRRegion.empty sometimes returns Ternary.no https://github.com/dlang/phobos/commit/1649edd483519a5d60c7b38865e984b46d703cdf Merge pull request #5862 from jercaianu/krr --