--- a/src/hotspot/share/gc/z/zVerify.hpp	Tue Aug 06 09:27:38 2019 -0400
+++ b/src/hotspot/share/gc/z/zVerify.hpp	Tue Aug 06 15:49:53 2019 +0200
@@ -32,6 +32,7 @@
   static void roots_impl();
   static void roots(bool verify_weaks);
 
+  static void roots_strong();
   static void roots_weak();
   static void roots_concurrent();
   static void roots_concurrent_weak();
@@ -42,7 +43,7 @@
 
 public:
   // Verify strong (non-concurrent) roots. Should always be good.
-  static void roots_strong();
+  static void before_zoperation();
 
   // Verify all strong roots and references after marking.
   static void after_mark();