--- a/src/hotspot/share/runtime/os.hpp	Tue May 14 20:29:40 2019 -0400
+++ b/src/hotspot/share/runtime/os.hpp	Fri May 10 10:18:16 2019 +0200
@@ -591,6 +591,7 @@
   // Loads .dll/.so and
   // in case of error it checks if .dll/.so was built for the
   // same architecture as HotSpot is running on
+  // in case of an error NULL is returned and an error message is stored in ebuf
   static void* dll_load(const char *name, char *ebuf, int ebuflen);
 
   // lookup symbol in a shared library