Function std::intrinsics::atomic_umax_acqrel

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

🔬 This is a nightly-only experimental API.   (core_intrinsics)

intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library