git: openjdk/loom: fibers: fix self suspend logic in SuspendAllVirualThreads

[duke]

Changeset: dc9f3fb4
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2021-11-06 13:11:10 +0000
URL:       https://git.openjdk.java.net/loom/commit/dc9f3fb4d4889cdc58daacda31a7305fb1ce00d7

fix self suspend logic in SuspendAllVirualThreads

! src/hotspot/share/prims/jvmtiEnv.cpp
! test/hotspot/jtreg/serviceability/jvmti/vthread/SelfSuspendDisablerTest/SelfSuspendDisablerTest.java
! test/hotspot/jtreg/serviceability/jvmti/vthread/SelfSuspendDisablerTest/libSelfSuspendDisablerTest.cpp