https://issues.dlang.org/show_bug.cgi?id=8411
--- Comment #6 from github-bugzi...@puremagic.com --- Commits pushed to newCTFE at https://github.com/dlang/druntime https://github.com/dlang/druntime/commit/1caa1fc2c98c0fe06b8440f435cbac744fe7729c Fix issue 8411 - add opCast!bool support for Duration. https://github.com/dlang/druntime/commit/827fb5ddc73e94b4a55bad0d7aabfa6401b52898 Merge pull request #1793 from schveiguy/addbooldur --