hg: jdk/submit: 2 new changesets

[zgu at redhat.com]

Changeset: 254a632e629f
Author:    zgu
Date:      2018-11-29 13:53 -0500
URL:       http://hg.openjdk.java.net/jdk/submit/rev/254a632e629f

Merge


Changeset: 76550953c592
Author:    zgu
Date:      2018-11-29 13:54 -0500
URL:       http://hg.openjdk.java.net/jdk/submit/rev/76550953c592

Fix bug

! src/hotspot/share/gc/cms/concurrentMarkSweepGeneration.cpp