hg: jdk/jdk14: 8236487: JFR Recorder Thread crashed due to "assert(_chunkwriter.is_valid()) failed: invariant"

[erik.gahlin at oracle.com]

Changeset: decd3d2953b6
Author:    egahlin
Date:      2020-01-08 19:12 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk14/rev/decd3d2953b6

8236487: JFR Recorder Thread crashed due to "assert(_chunkwriter.is_valid()) failed: invariant"
Reviewed-by: mgronlun, mseledtsov

! src/hotspot/share/jfr/recorder/service/jfrRecorderService.cpp