https://issues.dlang.org/show_bug.cgi?id=17467
--- Comment #2 from github-bugzi...@puremagic.com --- Commits pushed to stable at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/997eb6229981bb1a28f160175c89dba0e52eae96 Fix Issue 17467 - BitArray are broken with <<= 64 https://github.com/dlang/phobos/commit/2534841d3ccc5412610a4dc85206e63faee5995f Merge pull request #5842 from Darredevil/issue-17467-bitArray-rollLeft-rollRight --