Just reporting for completion, fix is already implemented and will provide PR ASAP. I addition to being a useful general-purpose function, it may be used in the `in` contract blocks of functions in std.path expecting a normalized path (see issue 13825).
THIS ISSUE HAS BEEN MOVED TO GITHUB https://github.com/dlang/phobos/issues/10361 DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO GITHUB