src/hotspot/share/memory/universe.cpp

*** 378,12 ***
  void Universe::genesis(TRAPS) {
    ResourceMark rm(THREAD);
    HandleMark   hm(THREAD);
  
    // Explicit null checks are needed if these offsets are not smaller than the page size
!   assert(oopDesc::klass_offset_in_bytes() < static_cast<intptr_t>(os::vm_page_size()),
!          "Klass offset is expected to be less than the page size");
    assert(arrayOopDesc::length_offset_in_bytes() < static_cast<intptr_t>(os::vm_page_size()),
           "Array length offset is expected to be less than the page size");
  
    { AutoModifyRestore<bool> temporarily(_bootstrapping, true);
  
--- 378,17 ---
  void Universe::genesis(TRAPS) {
    ResourceMark rm(THREAD);
    HandleMark   hm(THREAD);
  
    // Explicit null checks are needed if these offsets are not smaller than the page size
!   if (UseCompactObjectHeaders) {
!     assert(oopDesc::mark_offset_in_bytes() < static_cast<intptr_t>(os::vm_page_size()),
+            "Mark offset is expected to be less than the page size");
+   } else {
+     assert(oopDesc::klass_offset_in_bytes() < static_cast<intptr_t>(os::vm_page_size()),
+            "Klass offset is expected to be less than the page size");
+   }
    assert(arrayOopDesc::length_offset_in_bytes() < static_cast<intptr_t>(os::vm_page_size()),
           "Array length offset is expected to be less than the page size");
  
    { AutoModifyRestore<bool> temporarily(_bootstrapping, true);