hg: jdk10/hs/hotspot: 8184339: Thread::current_or_null() shall not assert if Posix TLS is not yet initialized

[coleen.phillimore at oracle.com]

Changeset: ebab242c2824
Author:    stuefe
Date:      2017-07-13 16:28 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/ebab242c2824

8184339: Thread::current_or_null() shall not assert if Posix TLS is not yet initialized
Reviewed-by: dcubed, coleenp

! src/share/vm/runtime/thread.hpp