[Coke]++ bisected it to https://github.com/rakudo/rakudo/commit/80bbfcdd47bcb27c21352a53a5156a6ecdd41e65
On 2017-10-22 12:25:07, b...@post.pl wrote: > There is no strace on macOS, I used dtruss (dtrace): > > $ dtruss -p 1827 > SYSCALL(args) = return > fstat64(0x0, 0x7FFF5B18B2F0, 0x1) = 0 0 > lseek(0x0, 0x0, 0x1) = 54132 0 > write(0x1, "Nil\n\0", 0x4) = 4 0 > thread_selfid(0x0, 0x7F8252ED2090, 0x4) = 24710 0 > > >