src/os/linux/vm/osThread_linux.hpp

@@ -49,14 +49,13 @@
 
   // Methods to save/restore caller's signal mask
   sigset_t  caller_sigmask() const       { return _caller_sigmask; }
   void    set_caller_sigmask(sigset_t sigmask)  { _caller_sigmask = sigmask; }
 
-#ifndef PRODUCT
-  // Used for debugging, return a unique integer for each thread.
+  // unique integer for each thread
   int thread_identifier() const   { return _thread_id; }
-#endif
+
 #ifdef ASSERT
   // We expect no reposition failures so kill vm if we get one.
   //
   bool valid_reposition_failure() {
     return false;