hg: jdk-updates/jdk12u: 3 new changesets

[shade at redhat.com]

Changeset: 4c4df61cea44
Author:    shade
Date:      2019-05-08 14:27 +0200
URL:       http://hg.openjdk.java.net/jdk-updates/jdk12u/rev/4c4df61cea44

8223570: Shenandoah needs to acquire lock before CLDG::clear_claimed_marks
Reviewed-by: rkennke, tschatzl

! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp

Changeset: 953ca9c3b33e
Author:    aoqi
Date:      2019-05-10 01:41 +0800
URL:       http://hg.openjdk.java.net/jdk-updates/jdk12u/rev/953ca9c3b33e

8223651: Build fails with --with-jvm-features=-jfr and --disable-precompiled-headers
Reviewed-by: shade
Contributed-by: Wang Haomin <wanghaomin at loongson.cn>

! src/hotspot/share/gc/shenandoah/shenandoahCollectionSet.cpp

Changeset: 840b051cd0c4
Author:    shade
Date:      2019-05-07 21:53 +0200
URL:       http://hg.openjdk.java.net/jdk-updates/jdk12u/rev/840b051cd0c4

8223446: Shenandoah breaks alignment with some HumongousThreshold values
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.inline.hpp
! test/hotspot/jtreg/gc/shenandoah/TestHumongousThreshold.java