hg: jdk/jdk: 8207829: FlightRecorderMXBeanImpl is leaking the first classloader which calls it

[erik.gahlin at oracle.com]

Changeset: 325c95779368
Author:    egahlin
Date:      2018-12-07 14:19 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/325c95779368

8207829: FlightRecorderMXBeanImpl is leaking the first classloader which calls it
Reviewed-by: mgronlun

! src/jdk.jfr/share/classes/jdk/jfr/internal/RequestEngine.java
! src/jdk.jfr/share/classes/jdk/jfr/internal/instrument/JDKEvents.java
+ test/jdk/jdk/jfr/jmx/TestFlightRecorderMXBeanLeak.java