P2747 R2 constexpr placement new

[wg21bot]

P2747R0 Limited support for constexpr void* (Barry Revzin)

[erichkeane]

This was discussed in EWG during the February 8th, 2023 afternoon session in Issaquah. The following polls were taken:

Support directly casting back and forth with void* (to the exact same type) in constexpr.

SF	F	N	A	SA
10	9	0	0	0

Result: Consensus

Support placement-new in constexpr as proposed in P2747R0.

SF	F	N	A	SA
3	12	2	0	0

Result: Consensus

Authors of P2738 and P2747 should work together and come back with reviewed wording/implementation experience.

[wg21bot]

P2747R1 constexpr placement new (Barry Revzin)