hg: jdk/sandbox: 8201826: G1: Don't invoke WeakProcessor if mark stack has overflowed

[chris.hegarty at oracle.com]

Changeset: b0c100aaede6
Author:    kbarrett
Date:      2018-04-23 16:00 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/b0c100aaede6

8201826: G1: Don't invoke WeakProcessor if mark stack has overflowed
Summary: Move WeakProcessor invocation after overflow check
Reviewed-by: stefank, tschatzl

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