1. `// Look up the method for a megamorpic invkkeinterface call.` should be `// Look up the method for a megamorphic invokeinterface call.`
2. `recv_klass can be destroyed when mehtid isn't needed` should be `recv_klass can be destroyed when method isn't needed"`
3. `caller must be same register for non-constant itable index as for method` should be `caller must use same register for non-constant itable index as for method`
4. extra empty line at the end of generate_method_handle_dispatch