Update v8_benchmark after V8 roll at r64892.

tools/perf_expectations/perf_expectations.json

 {"linux-release-hardy/dhtml/commit_charge/cc": {"reva": 63231, "revb": 64325, "improve": 1026, "regress": 25528},
  "linux-release-hardy/dhtml/processes/proc_": {"improve": 0, "regress": 0},
  "linux-release-hardy/dhtml/times/t": {"reva": 63620, "revb": 64266, "improve": -143, "regress": -65},
  "linux-release-hardy/dhtml/total_byte_b/IO_b": {"reva": 63620, "revb": 64027, "improve": 28099, "regress": 31450},
  "linux-release-hardy/dhtml/total_byte_r/IO_r": {"reva": 63698, "revb": 64027, "improve": -25, "regress": 237},
  "linux-release-hardy/dhtml/total_op_b/IO_op_b": {"reva": 63620, "revb": 64027, "improve": 27148, "regress": 34825},
  "linux-release-hardy/dhtml/total_op_r/IO_op_r": {"reva": 63620, "revb": 64027, "improve": 189, "regress": 818},
  "linux-release-hardy/dhtml/vm_rss_final_b/vm_rss_f_b": {"reva": 64072, "revb": 64325, "improve": 12490752, "regress": 14695834},
  "linux-release-hardy/dhtml/vm_rss_final_r/vm_rss_f_r": {"reva": 63693, "revb": 64027, "improve": 23335526, "regress": 44233728},
  "linux-release-hardy/dhtml/vm_rss_final_t/vm_rss_f_t": {"reva": 63700, "revb": 64027, "improve": 34534400, "regress": 57329664},
  "linux-release-hardy/dhtml/vm_size_final_b/vm_size_f_b": {"reva": 63735, "revb": 64025, "improve": 185571328, "regress": 216850637},
  "linux-release-hardy/dhtml/vm_size_final_r/vm_size_f_r": {"reva": 63691, "revb": 64027, "improve": 1032280883, "regress": 1395355853},
  "linux-release-hardy/dhtml/vm_size_final_t/vm_size_f_t": {"reva": 63073, "revb": 64027, "improve": 1217910579, "regress": 1611823719},
  "linux-release-hardy/intl1/times/t": {"reva": 63747, "revb": 64266, "improve": -102, "regress": 193},
  "linux-release-hardy/intl2/times/t": {"improve": -890, "regress": -510},
  "linux-release-hardy/morejs/times/t": {"reva": 63860, "revb": 64266, "improve": 121, "regress": 281},
  "linux-release-hardy/moz/times/t": {"improve": -190, "regress": 20},
  "linux-release-hardy/startup/warm/t": {"improve": -11, "regress": 93},
- "linux-release-hardy/v8_benchmark/score/score": {"improve": 750, "regress": 450},
+ "linux-release-hardy/v8_benchmark/score/score": {"reva": 64893, "revb": 66188, "improve": 828, "regress": 130},
  "linux-release/dhtml/times/t": {"improve": -22, "regress": 8},
  "linux-release/intl1/times/t": {"improve": -18, "regress": 12},
  "linux-release/intl2/times/t": {"improve": -18, "regress": 12},
  "linux-release/morejs/times/t": {"improve": 100, "regress": 130},
  "linux-release/moz/times/t": {"improve": -15, "regress": 15},
  "linux-release/startup/times/t": {"improve": -15, "regress": 15},
  "mac-release-10.5/dhtml/times/t": {"improve": -90, "regress": 90},
  "mac-release-10.5/intl1/times/t": {"improve": 445, "regress": 850},
  "mac-release-10.5/intl2/commit_charge/cc": {"improve": 4400, "regress": 17400},
  "mac-release-10.5/intl2/processes/proc_": {"improve": 0, "regress": 0},
  "mac-release-10.5/intl2/times/t": {"improve": 280, "regress": 620},
  "mac-release-10.5/intl2/vm_rss_final_b/vm_rss_f_b": {"improve": 4200000, "regress": 5500000},
  "mac-release-10.5/intl2/vm_rss_final_r/vm_rss_f_r": {"improve": 7600000, "regress": 12200000},
  "mac-release-10.5/intl2/vm_rss_final_t/vm_rss_f_t": {"improve": 12000000, "regress": 17400000},
  "mac-release-10.5/intl2/vm_size_final_b/vm_size_f_b": {"improve": 106000000, "regress": 113000000},
  "mac-release-10.5/intl2/vm_size_final_r/vm_size_f_r": {"improve": 12000000, "regress": 33000000},
  "mac-release-10.5/intl2/vm_size_final_t/vm_size_f_t": {"improve": 115000000, "regress": 146000000},
  "mac-release-10.5/morejs/times/t": {"improve": -210, "regress": -60},
  "mac-release-10.5/moz/times/t": {"improve": -40, "regress": 200},
  "mac-release-10.5/startup/warm/t": {"improve": 20, "regress": 80},
- "mac-release-10.5/v8_benchmark/score/score": {"improve": 1420, "regress": 1120},
+ "mac-release-10.5/v8_benchmark/score/score": {"reva": 64892, "revb": 66187, "improve": 1413, "regress": 1040},
  "mac-release-10.6/dhtml/times/t": {"improve": -55, "regress": 25},
  "mac-release-10.6/intl1/times/t": {"reva": 63692, "revb": 64027, "improve": -20733, "regress": 23605},
  "mac-release-10.6/intl2/times/t": {"reva": 63692, "revb": 64027, "improve": -17204, "regress": 19694},
  "mac-release-10.6/morejs/times/t": {"improve": -200, "regress": -40},
  "mac-release-10.6/moz/times/t": {"improve": -30, "regress": 200},
  "mac-release-10.6/startup/times/t": {"improve": -2, "regress": 22},
- "mac-release-10.6/v8_benchmark/score/score": {"improve": 1730, "regress": 1360},
+ "mac-release-10.6/v8_benchmark/score/score": {"reva": 64893, "revb": 66191, "improve": 1670, "regress": 1049},
  "vista-release-dual-core/dhtml/times/t": {"improve": -22, "regress": 45},
  "vista-release-dual-core/intl1/times/t": {"reva": 63721, "revb": 64027, "improve": 178, "regress": 574},
  "vista-release-dual-core/intl2/times/t": {"improve": -180, "regress": 215},
  "vista-release-dual-core/morejs/times/t": {"improve": -130, "regress": -60},
  "vista-release-dual-core/moz/times/t": {"improve": -3, "regress": 133},
  "vista-release-dual-core/startup/times/t": {"improve": -15, "regress": 15},
- "vista-release-dual-core/v8_benchmark/score/score": {"improve": 1650, "regress": 1070},
+ "vista-release-dual-core/v8_benchmark/score/score": {"reva": 64892, "revb": 66190, "improve": 1715, "regress": 772},
  "vista-release-single-core/dhtml/times/t": {"improve": -90, "regress": 90},
  "vista-release-single-core/intl1/times/t": {"improve": -510, "regress": 510},
  "vista-release-single-core/intl2/times/t": {"improve": -105, "regress": 105},
  "vista-release-single-core/morejs/times/t": {"improve": 61, "regress": 101},
  "vista-release-single-core/moz/times/t": {"improve": -30, "regress": 30},
  "vista-release-single-core/startup/times/t": {"improve": -9, "regress": 9},
  "xp-release-dual-core/dhtml/times/t": {"improve": -45, "regress": 45},
  "xp-release-dual-core/dromaeo_domcore/score/score": {"improve": 284, "regress": 236},
  "xp-release-dual-core/dromaeo_jslib/score/score": {"improve": 18, "regress": -6},
  "xp-release-dual-core/intl1/times/t": {"reva": 63751, "revb": 64344, "improve": 213, "regress": 480},
  "xp-release-dual-core/intl2/times/t": {"improve": 30, "regress": 150},
  "xp-release-dual-core/morejs/times/t": {"reva": 63167, "revb": 63335, "improve": -107, "regress": -68},
  "xp-release-dual-core/moz/times/t": {"reva": 63120, "revb": 63335, "improve": 40, "regress": 91},
  "xp-release-dual-core/moz/total_byte_b/IO_b": {"reva": 64763, "revb": 65342, "improve": -6624, "regress": -5022},
  "xp-release-dual-core/moz/total_byte_r/IO_r": {"reva": 64763, "revb": 65342, "improve": 263, "regress": 688},
  "xp-release-dual-core/moz/total_op_b/IO_op_b": {"reva": 65182, "revb": 65342, "improve": -8468, "regress": -6596},
  "xp-release-dual-core/moz/total_op_r/IO_op_r": {"improve": -880, "regress": 2130},
  "xp-release-dual-core/moz/vm_peak_b/vm_pk_b": {"improve": 600000, "regress": 4200000},
  "xp-release-dual-core/moz/vm_peak_r/vm_pk_r": {"reva": 63660, "revb": 64027, "improve": -14949581, "regress": -7358259},
  "xp-release-dual-core/startup/warm/t": {"reva": 63759, "revb": 64027, "improve": -4, "regress": 13},
- "xp-release-dual-core/v8_benchmark/score/score": {"improve": 1500, "regress": 1120},
+ "xp-release-dual-core/v8_benchmark/score/score": {"reva": 64892, "revb": 66189, "improve": 1455, "regress": 937},
  "xp-release-single-core/dhtml/times/t": {"improve": -21, "regress": 21},
  "xp-release-single-core/intl1/times/t": {"improve": 510, "regress": 930},
  "xp-release-single-core/intl2/times/t": {"improve": 225, "regress": 375},
  "xp-release-single-core/morejs/times/t": {"improve": 50, "regress": 110},
  "xp-release-single-core/moz/times/t": {"improve": -30, "regress": 30},
  "xp-release-single-core/startup/times/t": {"improve": -9, "regress": 9},
  "load": true
 }