https://issues.dlang.org/show_bug.cgi?id=17650
--- Comment #12 from github-bugzi...@puremagic.com --- Commit pushed to master at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/7a0ff521f296fef66455a84f11864b9cb046c43a Fix issue 17650: std.getopt range violation when option value is a hyphen. --