--- old/src/hotspot/share/gc/g1/g1ConcurrentMark.hpp	2018-02-09 12:17:24.051925127 +0100
+++ new/src/hotspot/share/gc/g1/g1ConcurrentMark.hpp	2018-02-09 12:17:23.623912129 +0100
@@ -848,7 +848,7 @@
   // The header and footer are printed in the constructor and
   // destructor respectively.
   G1PrintRegionLivenessInfoClosure(const char* phase_name);
-  virtual bool do_heap_region(HeapRegion* r);
+  virtual bool doHeapRegion(HeapRegion* r);
   ~G1PrintRegionLivenessInfoClosure();
 };