UpdateSurvivalRateTrend  854 src/heap.cc        UpdateSurvivalRateTrend(start_new_space_size);
UpdateSurvivalRateTrend  882 src/heap.cc        UpdateSurvivalRateTrend(start_new_space_size);
UpdateSurvivalRateTrend 1918 src/heap.h       void UpdateSurvivalRateTrend(int start_new_space_size);