hg: jdk8u/monojdk8u-dev: 8205540: test/hotspot/jtreg/vmTestbase/nsk/jdb/trace/trace001/trace001.java fails with Debuggee did not exit after 15 <cont> commands

[zgu at redhat.com]

Changeset: 220da67cc1a6
Author:    plevart
Date:      2018-06-24 10:41 +0200
URL:       https://hg.openjdk.java.net/jdk8u/monojdk8u-dev/rev/220da67cc1a6

8205540: test/hotspot/jtreg/vmTestbase/nsk/jdb/trace/trace001/trace001.java fails with Debuggee did not exit after 15 <cont> commands
Summary: screen usage/initialization of TerminatingThreadLocal with a non-null check on Thread.threadLocals field
Reviewed-by: dholmes, alanb

! jdk/src/share/classes/java/lang/Thread.java