Am 29.11.19 um 12:37 schrieb Jonathan Wakely:
> On Fri, 29 Nov 2019 at 09:18, Klaus Doldinger
> <klaus.doldinger64@xxxxxxxxx> wrote:
>>
>> In C++20 bit-field initializer are possible. But this feature seems
>> impossible to use with std::byte.
>>
>> struct Test {
>> std::byte a : 2 = std::byte{0}; // NOK
>> uint8_t b : 2 = 0; // OK
>> };
>>
>> Is this intentional or a bug in g++-10 (the version I'm using).
>
> It's a bug (and obviously applies to any scoped enumeration, not just
> std::byte).
>
> enum class byte : unsigned char { };
> using uint8_t = unsigned char;
>
> struct Test
> {
> byte a : 2 = byte{0}; // NOK
> uint8_t b : 2 = 0; // OK
> };
>
> I assume it simply hasn't been implemented yet. Could you please
> report it to bugzilla?
>
Done:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92732
