hg: jdk-updates/jdk12u: 8215299: Remove G1CMTask::should_exit_termination()'s undesirable side-effect

[zgu at redhat.com]

Changeset: 524e35858876
Author:    zgu
Date:      2019-01-09 19:05 -0500
URL:       http://hg.openjdk.java.net/jdk-updates/jdk12u/rev/524e35858876

8215299: Remove G1CMTask::should_exit_termination()'s undesirable side-effect
Reviewed-by: kbarrett, rkennke, tschatzl

! src/hotspot/share/gc/g1/g1ConcurrentMark.cpp
! src/hotspot/share/gc/g1/g1ConcurrentMark.hpp
! src/hotspot/share/gc/g1/g1ConcurrentMark.inline.hpp