compiler/loopopts/LoopUnswitchingBadNodeBudget.java fails with release VMs due to lack of -XX:+UnlockDiagnosticVMOptions

```
STDERR:
Error: VM option 'UseSwitchProfiling' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.
Error: The unlock option must precede 'UseSwitchProfiling'.
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
```