hg: jdk/jdk10: 2 new changesets

[dean.long at oracle.com]

Changeset: 044979e94c4e
Author:    dlong
Date:      2017-12-22 22:01 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk10/rev/044979e94c4e

8191852: Null pointer dereference in ciKlass::get_Klass of ciKlass.hpp:58
Reviewed-by: kvn

! src/hotspot/share/ci/ciField.cpp

Changeset: 2207e2917a68
Author:    dlong
Date:      2017-12-22 22:06 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk10/rev/2207e2917a68

8191854: Null pointer dereference in methodData.hpp:462
Reviewed-by: kvn

! src/hotspot/share/runtime/compilationPolicy.cpp