--- old/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp	2018-03-25 12:59:20.736920677 +0200
+++ new/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp	2018-03-25 12:59:20.537923370 +0200
@@ -35,6 +35,7 @@
 #include "gc/shared/gcTraceTime.inline.hpp"
 #include "gc/shared/referenceProcessor.hpp"
 #include "logging/log.hpp"
+#include "oops/oop.inline.hpp"
 #include "utilities/ticks.inline.hpp"
 
 bool G1FullGCPrepareTask::G1CalculatePointersClosure::do_heap_region(HeapRegion* hr) {