*** 54,64 **** class GenerationSpec; class CompactibleSpace; class ContiguousSpace; class CompactPoint; class OopClosure; - class FastScanClosure; class GenCollectedHeap; class GCStats; // A "ScratchBlock" represents a block of memory in one generation usable by // another. It represents "num_words" free words, starting at and including --- 54,63 ----