hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 3d4292720da3
Author:    mikael
Date:      2018-08-09 08:02 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/3d4292720da3

Added tag jdk-12+6 for changeset 7939b3c4e408

! .hgtags

Changeset: 343f580476d6
Author:    rkennke
Date:      2018-08-09 17:11 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/343f580476d6

8204969: Asserts in objArrayKlass.cpp need to use _raw variants of obj_addr_at()
Reviewed-by: tschatzl, eosterlund

! src/hotspot/share/oops/objArrayKlass.cpp