diff -r b8055b38b252 -r c349d409262a src/hotspot/share/classfile/classFileParser.cpp
--- a/src/hotspot/share/classfile/classFileParser.cpp	Fri Jun 15 12:31:28 2018 +0200
+++ b/src/hotspot/share/classfile/classFileParser.cpp	Tue Jun 19 07:54:11 2018 -0400
@@ -4511,7 +4511,7 @@
           vmSymbols::java_lang_IllegalAccessError(),
           "class %s loaded by %s cannot access jdk/internal/reflect superclass %s",
           this_klass->external_name(),
-          this_klass->class_loader_data()->loader_name(),
+          this_klass->class_loader_data()->loader_name_and_id(),
           super->external_name());
         return;
       }