diff -r 2c3cc4b01880 -r c16ac7a2eba4 src/hotspot/share/jfr/leakprofiler/chains/edgeStore.cpp
--- a/src/hotspot/share/jfr/leakprofiler/chains/edgeStore.cpp	Wed Oct 30 16:14:56 2019 +0100
+++ b/src/hotspot/share/jfr/leakprofiler/chains/edgeStore.cpp	Wed Oct 30 19:43:52 2019 +0100
@@ -259,6 +259,7 @@
   assert(leak_context_edge->parent() == NULL, "invariant");
 
   if (1 == length) {
+    store_gc_root_id_in_leak_context_edge(leak_context_edge, leak_context_edge);
     return;
   }