src/share/vm/runtime/vmStructs.cpp

rev 7799 : 8061802: REDO - Remove the generations array
Summary: The _gens array is removed and replaced by explicit _young_gen and _old_gen variables.
Reviewed-by:

*** 550,561 ****
    nonstatic_field(GenerationSpec,              _name,                                         Generation::Name)                      \
    nonstatic_field(GenerationSpec,              _init_size,                                    size_t)                                \
    nonstatic_field(GenerationSpec,              _max_size,                                     size_t)                                \
                                                                                                                                       \
      static_field(GenCollectedHeap,             _gch,                                          GenCollectedHeap*)                     \
   nonstatic_field(GenCollectedHeap,             _n_gens,                                       int)                                   \
-  unchecked_nonstatic_field(GenCollectedHeap,   _gens,                                         sizeof(GenCollectedHeap::_gens)) /* NOTE: no type */ \
    nonstatic_field(GenCollectedHeap,            _gen_specs,                                    GenerationSpec**)                      \
                                                                                                                                       \
    nonstatic_field(HeapWord,                    i,                                             char*)                                 \
                                                                                                                                       \
    nonstatic_field(MemRegion,                   _start,                                        HeapWord*)                             \
--- 550,562 ----
    nonstatic_field(GenerationSpec,              _name,                                         Generation::Name)                      \
    nonstatic_field(GenerationSpec,              _init_size,                                    size_t)                                \
    nonstatic_field(GenerationSpec,              _max_size,                                     size_t)                                \
                                                                                                                                       \
      static_field(GenCollectedHeap,             _gch,                                          GenCollectedHeap*)                     \
+   nonstatic_field(GenCollectedHeap,            _young_gen,                                    Generation*)                           \
+   nonstatic_field(GenCollectedHeap,            _old_gen,                                      Generation*)                           \
   nonstatic_field(GenCollectedHeap,             _n_gens,                                       int)                                   \
    nonstatic_field(GenCollectedHeap,            _gen_specs,                                    GenerationSpec**)                      \
                                                                                                                                       \
    nonstatic_field(HeapWord,                    i,                                             char*)                                 \
                                                                                                                                       \
    nonstatic_field(MemRegion,                   _start,                                        HeapWord*)                             \