--- old/src/share/vm/gc/shared/cardTableModRefBS.hpp 2017-07-04 23:39:25.978088516 +0200 +++ new/src/share/vm/gc/shared/cardTableModRefBS.hpp 2017-07-04 23:39:25.822083417 +0200 @@ -27,6 +27,7 @@ #include "gc/shared/modRefBarrierSet.hpp" #include "oops/oop.hpp" +#include "utilities/align.hpp" // This kind of "BarrierSet" allows a "CollectedHeap" to detect and // enumerate ref fields that have been modified (since the last