https://issues.dlang.org/show_bug.cgi?id=17251
--- Comment #3 from github-bugzi...@puremagic.com --- Commits pushed to newCTFE at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/c770fb481218e6eb2cd32363ce96de816dc6bdcf Fix issue 17251 - Appender.put doesn't accept const input range elements. https://github.com/dlang/phobos/commit/23726d63308c97799c6b356be392b466804be1f5 Merge pull request #5264 from s-ludwig/master --