vlib/v/checker/tests/enum_field_value_duplicate_c.vv:6:12: error: enum value `1` already exists
    4 |     gpu = (1 << 1)
    5 |     accelerator = (1 << 2)
    6 |     default = (1 << 0)
      |               ~~~~~~~~
    7 |     all = 0xFFFFFFFF
    8 | }
