Add benchmark test for Intl.Locale

Bug: v8:9153
Change-Id: I48adc554736b19507da318a157ef2f23bf7cbd52
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1610216Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61549}

test/js-perf-test/Intl/constructor.js

@@ -30,3 +30,15 @@ function NewIntlRelativeTimeFormat() {
   let obj = new Intl.RelativeTimeFormat();
 }
 createSuite('NewIntlRelativeTimeFormat', 100, NewIntlRelativeTimeFormat, ()=>{});
+
+function NewIntlLocaleWithOptions() {
+  let obj = new Intl.Locale("en-Latn-US-u-nu-thai",
+      { language: "zh", region: "TW", script: "Hant", calendar: "roc", collation: "zhuyin",
+        hourCycle: "h11", caseFirst: "upper", numberingSystem: "hanidec"});
+}
+createSuite('NewIntlLocaleWithOptions', 100, NewIntlLocaleWithOptions, ()=>{});
+
+function NewIntlLocale() {
+  let obj = new Intl.Locale("zh");
+}
+createSuite('NewIntlLocale', 100, NewIntlLocale, ()=>{});

test/js-perf-test/JSTests5.json

@@ -504,7 +504,9 @@
         {"name": "NewIntlNumberFormat"},
         {"name": "NewIntlPluralRules"},
         {"name": "NewIntlListFormat"},
-        {"name": "NewIntlRelativeTimeFormat"}
+        {"name": "NewIntlRelativeTimeFormat"},
+        {"name": "NewIntlLocale"},
+        {"name": "NewIntlLocaleWithOptions"}
       ]
     },
     {