If JFR is running when JVM crashes, JFR will dump data to hs_err_pid<PID>.jfr . It would perform in prepare_for_emergency_dump(). However this function transits thread state to "_thread_in_vm".

If the crash occurs in JNI code, we cannot see some messages in hs_err log.


* With -XX:StartFlightRecording
```
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#
```

* Without -XX:StartFlightRecording
```
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
```

We can reproduce it as below:

1. Clone reproducer
  $ git clone https://github.com/YaSuenag/garakuta.git

2. Build reproducer
  $ cd garakuta/NativeSEGV
  $ make JAVA_HOME=/path/to/jdk

3. Run reproducer
  $ java -XX:StartFlightRecording -Djava.library.path=. NativeSEGV