> First of all, if a JVM were to attempt this optimization for tail calls using the ordinary method call bytecodes, it would break existing programs that are wr

> First of all, if a JVM were to attempt this optimization for tail calls using the ordinary method call bytecodes, it would break existing programs that are written to rely on stack frame inspection. That is not a bug, that's a feature. Too bad the feature request for hanging people who write programs that rely on stack frame inspection didn't go trough.