Method is_oom_ptr

crates/core/src/error/error.rs:1585–1587

(ptr: NonNull<u8>)

    }

    fn is_oom_ptr(ptr: NonNull<u8>) -> bool {
        (ptr.addr().get() & Self::OOM_BIT) == Self::OOM_BIT
    }

    fn is_oom(&self) -> bool {
        Self::is_oom_ptr(self.inner)