--- a/src/hotspot/share/memory/allocation.cpp	Wed Sep 11 14:16:27 2019 +0200
+++ b/src/hotspot/share/memory/allocation.cpp	Wed Sep 11 14:16:30 2019 +0200
@@ -64,6 +64,7 @@
   return p;
 }
 
+// handles NULL pointers
 void FreeHeap(void* p) {
   os::free(p);
 }