(Since version chisel3) Vec(elt0, ...) is deprecated, use VecInit(elt0, ...) instead
(Since version chisel3) Vec(elts) is deprecated, use VecInit(elts) instead
(Since version chisel3) Vec argument order should be size, t; this will be removed by the official release
(Since version chisel3) Vec.fill(n)(gen) is deprecated, use VecInit(Seq.fill(n)(gen)) instead
(Since version chisel3) Vec.tabulate(n)(gen) is deprecated, use VecInit.tabulate(n)(gen) instead