src/share/vm/memory/defNewGeneration.cpp

rev 7696 : 8061802: REDO - Remove the generations array
Summary: The _gens array is removed and replaced by explicit _young_gen and _old_gen variables.
Reviewed-by:

*** 381,391 ****
    int next_level = level() + 1;
    GenCollectedHeap* gch = GenCollectedHeap::heap();
    assert(next_level < gch->_n_gens,
           "DefNewGeneration cannot be an oldest gen");
  
!   Generation* next_gen = gch->_gens[next_level];
    size_t old_size = next_gen->capacity();
    size_t new_size_before = _virtual_space.committed_size();
    size_t min_new_size = spec()->init_size();
    size_t max_new_size = reserved().byte_size();
    assert(min_new_size <= new_size_before &&
--- 381,391 ----
    int next_level = level() + 1;
    GenCollectedHeap* gch = GenCollectedHeap::heap();
    assert(next_level < gch->_n_gens,
           "DefNewGeneration cannot be an oldest gen");
  
!   Generation* next_gen = gch->get_gen(next_level);
    size_t old_size = next_gen->capacity();
    size_t new_size_before = _virtual_space.committed_size();
    size_t min_new_size = spec()->init_size();
    size_t max_new_size = reserved().byte_size();
    assert(min_new_size <= new_size_before &&