hg: jdk/sandbox: Merge

[markus.gronlund at oracle.com]

Changeset: ec9da3c0eaec
Author:    mgronlun
Date:      2019-10-09 23:22 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/ec9da3c0eaec

Merge

! src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp
- test/hotspot/jtreg/compiler/graalunit/EA9Test.java
- test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/JLModule.java