# HG changeset patch
# User akozlov
# Date 1617971404 0
# Node ID eeae3b9acc916ca6930b75e653bf6c0dc6cd87ba
# Parent  2c2654af0243ad07f7bd856a2666fe7c64b6b1f8
8264640: CMS ParScanClosure misses a barrier
Reviewed-by: yan, johnc

diff -r 2c2654af0243 -r eeae3b9acc91 src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp
--- a/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp	Mon May 10 03:15:45 2021 +0100
+++ b/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp	Fri Apr 09 12:30:04 2021 +0000
@@ -38,6 +38,7 @@
     // we need to ensure that it is copied (see comment in
     // ParScanClosure::do_oop_work).
     Klass* objK = obj->klass();
+    OrderAccess::loadload();
     markOop m = obj->mark();
     oop new_obj;
     if (m->is_marked()) { // Contains forwarding pointer.
@@ -101,6 +102,7 @@
       // overwritten with an overflow next pointer after the object is
       // forwarded.
       Klass* objK = obj->klass();
+      OrderAccess::loadload();
       markOop m = obj->mark();
       oop new_obj;
       if (m->is_marked()) { // Contains forwarding pointer.