src/os/bsd/vm/osThread_bsd.hpp

*** 60,73 ****
  
    // 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.
    intptr_t thread_identifier() const   { return (intptr_t)_pthread_id; }
- #endif
  
  #ifdef ASSERT
    // We expect no reposition failures so kill vm if we get one.
    //
    bool valid_reposition_failure() {
--- 60,71 ----
  
    // 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; }
  
!   // unique integer for each thread
    intptr_t thread_identifier() const   { return (intptr_t)_pthread_id; }
  
  #ifdef ASSERT
    // We expect no reposition failures so kill vm if we get one.
    //
    bool valid_reposition_failure() {