hg: jdk10/hs/hotspot: 8178542: G1: VM hangs during shutdown due to mark stack overflow

[sangheon.kim at oracle.com]

Changeset: f0c5b7ac0c87
Author:    aharlap
Date:      2017-05-01 10:50 -0400
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/f0c5b7ac0c87

8178542: G1: VM hangs during shutdown due to mark stack overflow
Summary: Removed not needed call to clear_has_overflown() to avoid inconsistent state
Reviewed-by: kbarrett, sangheki

! src/share/vm/gc/g1/g1ConcurrentMark.cpp