TraverseFirst     256 test/cctest/test-strings.cc   TraverseFirst(left_asymmetric, left_deep_asymmetric, 1050);
TraverseFirst     258 test/cctest/test-strings.cc   TraverseFirst(left_asymmetric, right_deep_asymmetric, 65536);
TraverseFirst     299 test/cctest/test-strings.cc     TraverseFirst(flat_string, string, DEEP_ASCII_DEPTH);