[gcc v2] Enable some features for RTEMS in libstdc++

[Chris Johns]

On 22/6/2022 4:39 pm, Sebastian Huber wrote:
> On 22/06/2022 08:36, Chris Johns wrote:
>>> The patch works also for GCC 12. I only did a test run of the RTEMS tests.
>> It failed to apply for me with the gcc-12 for rtems6. The configure pieces did
>> not apply.
> 
> I tested with the GCC 12 branch, maybe there are some configure changes compared
> to the RSB version. I will update the GCC 12 snapshot.

What does updating the snapshot mean?

Chris