## Symptom
```
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.
```

## Fix
```
diff -r db9bdbeaed29 test/hotspot/jtreg/compiler/c2/TestJumpTable.java
--- a/test/hotspot/jtreg/compiler/c2/TestJumpTable.java Mon Jan 13 14:09:30 2020 -0800
+++ b/test/hotspot/jtreg/compiler/c2/TestJumpTable.java Tue Jan 14 09:01:21 2020 +0800
@@ -26,7 +26,7 @@
  * @bug 8229855
  * @summary Test jump table with key value that gets out of bounds after loop unrolling.
  * @run main/othervm -XX:CompileCommand=dontinline,compiler.c2.TestJumpTable::test*
- * -Xbatch -XX:-TieredCompilation -XX:-UseSwitchProfiling
+ * -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:-TieredCompilation -XX:-UseSwitchProfiling
  * compiler.c2.TestJumpTable
  */
```