message: ToVhdl2008Expr: no explicit base for binary bitstring
diff: @@ -30,7 +30,7 @@ class ToVhdl2008Expr(ToHdlCommon):
  }
  GENERIC_BIN_OPS.update(ToHdlCommon.GENERIC_BIN_OPS)
  NUM_BASES = {
  - 2: "B",
  + 2: "",
  8: "O",
  16: "X",
  256: "",
  