[Intl] Changes of toStringTag of Intl.*

Implement the spec changes in https://github.com/tc39/ecma402/pull/430

Bug: v8:10554
Change-Id: I421d6feb94810027cf17ff58a4ec5357940ef44a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2212889Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68119}

src/init/bootstrapper.cc

@@ -2775,7 +2775,7 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
       Handle<JSObject> prototype(
           JSObject::cast(date_time_format_constructor->prototype()), isolate_);
 
-      InstallToStringTag(isolate_, prototype, factory->Object_string());
+      InstallToStringTag(isolate_, prototype, "Intl.DateTimeFormat");
 
       SimpleInstallFunction(isolate_, prototype, "resolvedOptions",
                             Builtins::kDateTimeFormatPrototypeResolvedOptions,
@@ -2814,7 +2814,7 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
       Handle<JSObject> prototype(
           JSObject::cast(number_format_constructor->prototype()), isolate_);
 
-      InstallToStringTag(isolate_, prototype, factory->Object_string());
+      InstallToStringTag(isolate_, prototype, "Intl.NumberFormat");
 
       SimpleInstallFunction(isolate_, prototype, "resolvedOptions",
                             Builtins::kNumberFormatPrototypeResolvedOptions, 0,
@@ -2842,7 +2842,7 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
       Handle<JSObject> prototype(
           JSObject::cast(collator_constructor->prototype()), isolate_);
 
-      InstallToStringTag(isolate_, prototype, factory->Object_string());
+      InstallToStringTag(isolate_, prototype, "Intl.Collator");
 
       SimpleInstallFunction(isolate_, prototype, "resolvedOptions",
                             Builtins::kCollatorPrototypeResolvedOptions, 0,
@@ -2905,7 +2905,7 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
       Handle<JSObject> prototype(
           JSObject::cast(plural_rules_constructor->prototype()), isolate_);
 
-      InstallToStringTag(isolate_, prototype, factory->Object_string());
+      InstallToStringTag(isolate_, prototype, "Intl.PluralRules");
 
       SimpleInstallFunction(isolate_, prototype, "resolvedOptions",
                             Builtins::kPluralRulesPrototypeResolvedOptions, 0,

test/intl/toStringTag.js

@@ -7,7 +7,7 @@ let descriptor;
 descriptor = Object.getOwnPropertyDescriptor(Intl.DateTimeFormat.prototype,
                                              Symbol.toStringTag);
 
-assertEquals("Object", descriptor.value);
+assertEquals("Intl.DateTimeFormat", descriptor.value);
 assertFalse(descriptor.writable);
 assertFalse(descriptor.enumerable);
 assertTrue(descriptor.configurable);
@@ -15,7 +15,7 @@ assertTrue(descriptor.configurable);
 descriptor = Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype,
                                              Symbol.toStringTag);
 
-assertEquals("Object", descriptor.value);
+assertEquals("Intl.NumberFormat", descriptor.value);
 assertFalse(descriptor.writable);
 assertFalse(descriptor.enumerable);
 assertTrue(descriptor.configurable);
@@ -23,7 +23,7 @@ assertTrue(descriptor.configurable);
 descriptor = Object.getOwnPropertyDescriptor(Intl.Collator.prototype,
                                              Symbol.toStringTag);
 
-assertEquals("Object", descriptor.value);
+assertEquals("Intl.Collator", descriptor.value);
 assertFalse(descriptor.writable);
 assertFalse(descriptor.enumerable);
 assertTrue(descriptor.configurable);

test/test262/test262.status

@@ -552,6 +552,17 @@
   # https://bugs.chromium.org/p/v8/issues/detail?id=7472
   'intl402/NumberFormat/currency-digits': [FAIL],
 
+  # http://crbug/v8/10554
+  'intl402/Collator/instance-class': [FAIL],
+  'intl402/Collator/prototype/builtin': [FAIL],
+  'intl402/DateTimeFormat/prototype/builtin': [FAIL],
+  'intl402/DateTimeFormat/instance-class': [FAIL],
+  'intl402/NumberFormat/prototype/builtin': [FAIL],
+  'intl402/NumberFormat/instance-class': [FAIL],
+  'intl402/NumberFormat/prototype/toStringTag/configurable': [FAIL],
+  'intl402/NumberFormat/prototype/toStringTag/prop-desc': [FAIL],
+  'intl402/PluralRules/prototype/builtins': [FAIL],
+
   # https://bugs.chromium.org/p/v8/issues/detail?id=7831
   'language/statements/generators/generator-created-after-decl-inst': [FAIL],
   'language/expressions/generators/generator-created-after-decl-inst': [FAIL],