WASI: forbid `unsafe_op_in_unsafe_fn` for `std::{os, sys}`
Part of https://github.com/rust-lang/rust/issues/127747 for WASI
try-job: test-various
WASI: forbid `unsafe_op_in_unsafe_fn` for `std::{os, sys}`
Part of https://github.com/rust-lang/rust/issues/127747 for WASI
try-job: test-various