LWG3646: std::ranges::view_interface::size returns a signed type

[jwakely]

LWG would like LEWG to review the proposed resolution for this issue:
https://cplusplus.github.io/LWG/issue3646

[inbal2l]

I'll start an LEWG ML thread (CCing SG9) to review it.

[brycelelbach]

We'll send this to mailing list review as soon as we can (next few weeks).

[brycelelbach]

A motion was made on 2022-02-21 to move this issue directly from mailing list review to electronic polling. The motion passed with 10 +1s.