--- old/src/hotspot/share/runtime/thread.hpp	2019-09-12 00:18:27.130167825 +0200
+++ new/src/hotspot/share/runtime/thread.hpp	2019-09-12 00:18:26.836158255 +0200
@@ -142,7 +142,7 @@
 
 #ifndef USE_LIBRARY_BASED_TLS_ONLY
   // Current thread is maintained as a thread-local variable
-  static THREAD_LOCAL_DECL Thread* _thr_current;
+  static thread_local Thread* _thr_current;
 #endif
 
   // Thread local data area available to the GC. The internal