hg: jdk/sandbox: 8234684: JFR crashes when rotating the JFR output during assertion failure

[chris.hegarty at oracle.com]

Changeset: 4cf1246fbb9c
Author:    mgronlun
Date:      2019-11-25 20:18 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/4cf1246fbb9c

8234684: JFR crashes when rotating the JFR output during assertion failure
Reviewed-by: egahlin, mseledtsov

! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp