https://issues.dlang.org/show_bug.cgi?id=13098
--- Comment #1 from Martin Nowak <c...@dawg.eu> --- Introduced by https://github.com/D-Programming-Language/phobos/pull/2169. The regression applies to all of the following std.path methods. baseName, extSeparatorPos, extension, isRooted, isAbsolute The fix is to simply add a const(char)[] function as overload, which also saves some template instantiation in user code. --