src/hotspot/share/gc/x/xObjArrayAllocator.cpp

*** 71,12 ***
    // Segmented clearing
  
    // The array is going to be exposed before it has been completely
    // cleared, therefore we can't expose the header at the end of this
    // function. Instead explicitly initialize it according to our needs.
!   arrayOopDesc::set_mark(mem, markWord::prototype());
!   arrayOopDesc::release_set_klass(mem, _klass);
    assert(_length >= 0, "length should be non-negative");
    arrayOopDesc::set_length(mem, _length);
  
    // Keep the array alive across safepoints through an invisible
    // root. Invisible roots are not visited by the heap itarator
--- 71,16 ---
    // Segmented clearing
  
    // The array is going to be exposed before it has been completely
    // cleared, therefore we can't expose the header at the end of this
    // function. Instead explicitly initialize it according to our needs.
!   if (UseCompactObjectHeaders) {
!     arrayOopDesc::release_set_mark(mem, _klass->prototype_header());
+   } else {
+     arrayOopDesc::set_mark(mem, markWord::prototype());
+     arrayOopDesc::release_set_klass(mem, _klass);
+   }
    assert(_length >= 0, "length should be non-negative");
    arrayOopDesc::set_length(mem, _length);
  
    // Keep the array alive across safepoints through an invisible
    // root. Invisible roots are not visited by the heap itarator