https://issues.dlang.org/show_bug.cgi?id=12650
--- Comment #4 from Kenji Hara <k.hara...@gmail.com> --- (In reply to Temtaime from comment #3) > Sorry, test case is wrong. > > void foo()(auto ref in S s) {} > > s must be auto ref. > > So it's 2.065 reg. OK I understand, and the bug will be fixed by my PR. --