P2929 R0 simd_invoke

[wg21bot]

P2929R0 simd_invoke (Daniel Towner, Ruslan Arutyunyan)

[danieltowner]

cpp_simd_invoke.pdf

[ogiroux]

SG1 poll in Kona:

Apply the following change(s) to P2929R0 and forward it to LEWG, targeting C++26 (with std::simd / P1928):
  The callable evaluation order of simd_invoke should be unsequenced (so that it is UB if two invocations modify the same object).
SF F N A SA
 6 7 1 1 0
Consensus in favor

A: it would have been useful to pass mutable state in some cases, which tend to work now