hg: jdk/submit: 8217618: JVM TI SuspendThread doesn't suspend the current thread before returning

[david.holmes at oracle.com]

Changeset: 2181425e0460
Author:    dholmes
Date:      2019-01-27 20:48 -0500
URL:       http://hg.openjdk.java.net/jdk/submit/rev/2181425e0460

8217618: JVM TI SuspendThread doesn't suspend the current thread before returning
Reviewed-by: dcubed, sspitsyn, dlong

! src/hotspot/share/runtime/thread.cpp
! test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/hotswap/HS202/hs202t002/hs202t002.cpp
! test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/sampling/SP05/sp05t003/sp05t003.cpp