Function std::intrinsics::atomic_or_relaxed

pub unsafe extern "rust-intrinsic" fn atomic_or_relaxed<T>(dst: *mut T,                                                           src: T)                                                           -> T

Bitwise or with the current value, returning the previous value. The stabilized version of this intrinsic is available on the std::sync::atomic types via the fetch_or method by passing Ordering::Relaxed as the order. For example, AtomicBool::fetch_or.