It is not, but since JIT technology has seen quite a few patents in recent years (esp. due to the Java and JS VMs heavily using JITs), and because the copy-and-patch technology sounds like a rather new and clever idea, this triggered my question 
It is not, but since JIT technology has seen quite a few patents in recent years (esp. due to the Java and JS VMs heavily using JITs), and because the copy-and-patch technology sounds like a rather new and clever idea, this triggered my question