src/share/vm/utilities/globalDefinitions_xlc.hpp

rev 12685 : 8176442: [aix] assert(_thr_current == 0L) failed: Thread::current already initialized
Summary: Revert Thread::current() back to pthread library based TLS on AIX.
Reviewed-by:

*** 151,160 ****
--- 151,163 ----
  // object and xlc cannot compile the expression offsetof(DataLayout,
  // _cells[index]) in DataLayout::cell_offset() .  Therefore we define
  // offset_of as it is defined for gcc.
  #define offset_of(klass,field) (size_t)((intx)&(((klass*)16)->field) - 16)
  
+ // AIX 5.3 has buggy __thread support. (see JDK-8176442).
+ #define USE_LIBRARY_BASED_TLS_ONLY 1
+ 
  #ifndef USE_LIBRARY_BASED_TLS_ONLY
  #define THREAD_LOCAL_DECL __thread
  #endif
  
  // Inlining support