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

[chris.hegarty at oracle.com]

Changeset: 7348c41ca46d
Author:    plevart
Date:      2018-06-24 10:41 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/7348c41ca46d

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

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