diff -r b985cbb00e68 -r 7d05a422d710 src/share/vm/classfile/classFileParser.cpp
--- a/src/share/vm/classfile/classFileParser.cpp	Mon Aug 12 18:30:40 2019 +0300
+++ b/src/share/vm/classfile/classFileParser.cpp	Thu Aug 15 13:28:03 2019 +0300
@@ -4262,6 +4262,8 @@
     preserve_this_klass = this_klass();
   }
 
+  JFR_ONLY(INIT_ID(preserve_this_klass);)
+
   // Create new handle outside HandleMark (might be needed for
   // Extended Class Redefinition)
   instanceKlassHandle this_klass (THREAD, preserve_this_klass);