$ python -u tools/run_perf.py --binary-override-path   out/x64.release/d8 --filter "JSTests/Strings/StringToLocaleCase"  test/js-perf-test/JSTests.json
INFO      >>> Running suite: JSTests/Strings/StringToLocaleCase
INFO      >>> Stdout (#1):
StringToLocaleUpperCaseTR-Strings(Score): 622
StringToLocaleLowerCaseTR-Strings(Score): 728
StringToLocaleUpperCase-Strings(Score): 1129
StringToLocaleLowerCase-Strings(Score): 1548

Bug: v8:8839
Change-Id: I35e20c84614e99cb84ae51c175ac6b1cd53ad3a6
Reviewed-on: https://chromium-review.googlesource.com/c/1469327
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59615}