/home/andy/dev/zig/lib/std/enums.zig:106:13: error: evaluation exceeded 1000 backwards branches
            for (unique_fields) |u| {
            ^
/home/andy/dev/zig/lib/std/enums.zig:21:22: note: called from here
    for (uniqueFields(E)) |field, i| {
                     ^
/home/andy/dev/zig/lib/std/enums.zig:168:33: note: called from here
    init_values: EnumFieldStruct(E, Data, null),
                                ^
/home/andy/dev/zig/lib/std/enums.zig:168:33: note: called from here
    init_values: EnumFieldStruct(E, Data, null),
                                ^
/home/andy/dev/zig/src/zir.zig:849:62: note: called from here
        pub const typed_value_map = std.enums.directEnumArray(Ref, TypedValue, 0, .{
                                                             ^
/home/andy/dev/zig/lib/std/enums.zig:21:22: note: referenced here
    for (uniqueFields(E)) |field, i| {
                     ^
/home/andy/dev/zig/lib/std/enums.zig:168:33: note: referenced here
    init_values: EnumFieldStruct(E, Data, null),
                                ^
/home/andy/dev/zig/src/zir.zig:849:62: note: referenced here
        pub const typed_value_map = std.enums.directEnumArray(Ref, TypedValue, 0, .{
                                                             ^