* Reproduce
```
bash configure --with-jvm-features=-jfr ...
make test TEST="runtime/cds/appcds/sharedStrings/FlagCombo.java"
```

* Symptom
```
jdk/test/hotspot/jtreg/runtime/cds/appcds/JarBuilder.java:41: error: package sun.tools.jar is not visible
import sun.tools.jar.Main;
                ^
  (package sun.tools.jar is declared in module jdk.jartool, which does not export it)
1 error

TEST RESULT: Failed. Compilation failed: Compilation failed
```

The root cause of the failure is under investigation.