--- a/src/hotspot/share/runtime/semaphore.hpp	Thu May 17 18:09:19 2018 +0200
+++ b/src/hotspot/share/runtime/semaphore.hpp	Wed May 23 09:42:42 2018 +0200
@@ -57,7 +57,6 @@
 
   bool trywait()              { return _impl.trywait(); }
 
-  void wait_with_safepoint_check();
   void wait_with_safepoint_check(JavaThread* thread);
 };