diff -r eef755718cb2 -r f527b24990d7 src/hotspot/share/jfr/leakprofiler/sampling/objectSampler.cpp
--- a/src/hotspot/share/jfr/leakprofiler/sampling/objectSampler.cpp	Wed Dec 05 09:34:01 2018 -0500
+++ b/src/hotspot/share/jfr/leakprofiler/sampling/objectSampler.cpp	Wed Dec 05 16:40:12 2018 +0100
@@ -122,6 +122,10 @@
   return _list->last();
 }
 
+const ObjectSample* ObjectSampler::first() const {
+  return _list->first();
+}
+
 const ObjectSample* ObjectSampler::last_resolved() const {
   return _list->last_resolved();
 }