https://issues.dlang.org/show_bug.cgi?id=21363
--- Comment #3 from Dlang Bot <[email protected]> --- dlang/druntime pull request #3468 "merge stable" was merged into master: - fdda230e2a41ba4723a424f31cf29b99e705b4ec by Chigusa0w0: Fix Issue 21363 - [REG2.094] Implementation of core.bitop.ror(x,0) is using UB This is a quick fix to Issue 21363. When `count` is set to `0`, `T.sizeof * 8 - count` will always be `T.sizeof * 8` therefore fails compiler check here: https://github.com/dlang/dmd/blob/81f9f57257da8733cf741355524bb8a3ec9c45ce/src/dmd/dinterpret.d#L3018-L3024 https://github.com/dlang/druntime/pull/3468 --
