FILLER_TYPE      2366 src/heap.cc      { MaybeObject* maybe_obj = AllocateMap(FILLER_TYPE, kPointerSize);
FILLER_TYPE      2371 src/heap.cc      { MaybeObject* maybe_obj = AllocateMap(FILLER_TYPE, 2 * kPointerSize);
FILLER_TYPE       177 src/objects-debug.cc     case FILLER_TYPE:
FILLER_TYPE       432 src/objects-inl.h   return instance_type == FREE_SPACE_TYPE || instance_type == FILLER_TYPE;
FILLER_TYPE       126 src/objects-printer.cc     case FILLER_TYPE:
FILLER_TYPE       510 src/objects-printer.cc     case FILLER_TYPE: return "FILLER";
FILLER_TYPE       131 src/objects-visiting.cc     case FILLER_TYPE:
FILLER_TYPE      1387 src/objects.cc     case FILLER_TYPE:
FILLER_TYPE       261 src/objects.h    V(FILLER_TYPE)                                                               \