[PATCH] libstdc++: Clear padding bits in atomic compare_exchange

[Daniel Krügler]

Am Di., 2. Nov. 2021 um 02:26 Uhr schrieb Thomas Rodgers via Libstdc++
<libstdc++@gcc.gnu.org>:
>
> This should address Jonathan's feedback and adds support for atomic_ref<T>
>

I'm wondering why __clear_padding doesn't refer to the computed __ptr
value in the case where __builtin_clear_padding is used?

Thanks,

- Daniel