[intl] Reject _ in calendar id to fix test262 test

see https://github.com/tc39/test262/pull/3173

Bug: v8:12167
Change-Id: I49bed6bf361dbc216a5174be16d747fe2b104208
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3152714Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76778}

src/objects/js-locale.cc

@@ -183,19 +183,11 @@ bool JSLocale::Is38AlphaNumList(const std::string& in) {
   std::string value = in;
   while (true) {
     std::size_t found_dash = value.find("-");
-    std::size_t found_underscore = value.find("_");
-    if (found_dash == std::string::npos &&
-        found_underscore == std::string::npos) {
+    if (found_dash == std::string::npos) {
       return IsAlphanum(value, 3, 8);
     }
-    if (found_underscore == std::string::npos ||
-        found_dash < found_underscore) {
-      if (!IsAlphanum(value.substr(0, found_dash), 3, 8)) return false;
-      value = value.substr(found_dash + 1);
-    } else {
-      if (!IsAlphanum(value.substr(0, found_underscore), 3, 8)) return false;
-      value = value.substr(found_underscore + 1);
-    }
+    if (!IsAlphanum(value.substr(0, found_dash), 3, 8)) return false;
+    value = value.substr(found_dash + 1);
   }
 }
 

test/test262/test262.status

@@ -236,9 +236,6 @@
   # https://bugs.chromium.org/p/v8/issues/detail?id=7472
   'intl402/NumberFormat/currency-digits': [FAIL],
 
-  # https://bugs.chromium.org/p/v8/issues/detail?id=12167
-  'intl402/DisplayNames/prototype/of/type-calendar-invalid': [FAIL],
-
   # https://bugs.chromium.org/p/v8/issues/detail?id=12209
   'intl402/Intl/supportedValuesOf/calendars-accepted-by-DateTimeFormat': [FAIL],
   'intl402/Intl/supportedValuesOf/collations-accepted-by-Collator': [FAIL],