File v8-icu73-alt_calendar.patch of Package nodejs-electron

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File v8-icu73-alt_calendar.patch of Package nodejs-electron (Revision 1d0408974039cdf593724ff465cf8f7a)

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From d9715adf895e9acfbaf17ae05b18f2b2467ca322 Mon Sep 17 00:00:00 2001
From: Frank Tang <ftang@chromium.org>
Date: Tue, 20 Jun 2023 15:12:47 -0700
Subject: [PATCH] [Intl] rm alt_calendar hack post ICU 73-1

Also need to bump up the required ICU version.

Bug: v8:14086
Change-Id: I52a53fcd201f3272aa712123fc00c54d0b762d53
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4628805
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#88431}
---
 src/objects/intl-objects.h            |  2 +-
 src/objects/js-date-time-format-inl.h |  2 --
 src/objects/js-date-time-format.cc    | 30 +++++++--------------------
 src/objects/js-date-time-format.h     |  2 --
 src/objects/js-date-time-format.tq    |  8 -------
 5 files changed, 8 insertions(+), 36 deletions(-)

diff --git a/src/objects/intl-objects.h b/src/objects/intl-objects.h
index 4339673d566..b628cf686f3 100644
--- a/v8/src/objects/intl-objects.h
+++ b/v8/src/objects/intl-objects.h
@@ -21,7 +21,7 @@
 #include "unicode/locid.h"
 #include "unicode/uversion.h"
 
-#define V8_MINIMUM_ICU_VERSION 71
+#define V8_MINIMUM_ICU_VERSION 73
 
 namespace U_ICU_NAMESPACE {
 class BreakIterator;
diff --git a/src/objects/js-date-time-format-inl.h b/src/objects/js-date-time-format-inl.h
index 8c93a8eeb63..fefe081f8f5 100644
--- a/v8/src/objects/js-date-time-format-inl.h
+++ b/v8/src/objects/js-date-time-format-inl.h
@@ -28,8 +28,6 @@ ACCESSORS(JSDateTimeFormat, icu_simple_date_format,
           Tagged<Managed<icu::DateIntervalFormat>>,
           kIcuDateIntervalFormatOffset)
 
-BOOL_ACCESSORS(JSDateTimeFormat, flags, alt_calendar, AltCalendarBit::kShift)
-
 inline void JSDateTimeFormat::set_hour_cycle(HourCycle hour_cycle) {
   int hints = flags();
   hints = HourCycleBits::update(hints, hour_cycle);
diff --git a/src/objects/js-date-time-format.cc b/src/objects/js-date-time-format.cc
index 62d6fdcb935..6aae75c8de8 100644
--- a/v8/src/objects/js-date-time-format.cc
+++ b/v8/src/objects/js-date-time-format.cc
@@ -530,8 +530,7 @@ Handle<Object> JSDateTimeFormat::TimeZoneId(Isolate* isolate,
 
 namespace {
 Handle<String> GetCalendar(Isolate* isolate,
-                           const icu::SimpleDateFormat& simple_date_format,
-                           bool is_alt_calendar = false) {
+                           const icu::SimpleDateFormat& simple_date_format) {
   // getType() returns legacy calendar type name instead of LDML/BCP47 calendar
   // key values. intl.js maps them to BCP47 values for key "ca".
   // TODO(jshin): Consider doing it here, instead.
@@ -542,17 +541,9 @@ Handle<String> GetCalendar(Isolate* isolate,
   // and
   // http://www.unicode.org/repos/cldr/tags/latest/common/bcp47/calendar.xml
   if (calendar_str == "gregorian") {
-    if (is_alt_calendar) {
-      calendar_str = "iso8601";
-    } else {
-      calendar_str = "gregory";
-    }
+    calendar_str = "gregory";
   } else if (calendar_str == "ethiopic-amete-alem") {
     calendar_str = "ethioaa";
-  } else if (calendar_str == "islamic") {
-    if (is_alt_calendar) {
-      calendar_str = "islamic-rgsa";
-    }
   }
   return isolate->factory()->NewStringFromAsciiChecked(calendar_str.c_str());
 }
@@ -567,8 +558,7 @@ Handle<Object> GetTimeZone(Isolate* isolate,
 Handle<String> JSDateTimeFormat::Calendar(
     Isolate* isolate, Handle<JSDateTimeFormat> date_time_format) {
   return GetCalendar(isolate,
-                     *(date_time_format->icu_simple_date_format()->raw()),
-                     date_time_format->alt_calendar());
+                     *(date_time_format->icu_simple_date_format()->raw()));
 }
 
 Handle<Object> JSDateTimeFormat::TimeZone(
@@ -2328,9 +2318,6 @@ MaybeHandle<JSDateTimeFormat> JSDateTimeFormat::New(
     icu_locale.setUnicodeKeywordValue("ca", calendar_str.get(), status);
     DCHECK(U_SUCCESS(status));
   }
-  bool alt_calendar =
-      strstr(icu_locale.getName(), "calendar=iso8601") != nullptr ||
-      strstr(icu_locale.getName(), "calendar=islamic-rgsa") != nullptr;
 
   if (numbering_system_str != nullptr &&
       Intl::IsValidNumberingSystem(numbering_system_str.get())) {
@@ -2640,7 +2627,6 @@ MaybeHandle<JSDateTimeFormat> JSDateTimeFormat::New(
     date_time_format->set_time_style(time_style);
   }
   date_time_format->set_hour_cycle(dateTimeFormatHourCycle);
-  date_time_format->set_alt_calendar(alt_calendar);
   date_time_format->set_locale(*locale_str);
   date_time_format->set_icu_locale(*managed_locale);
   date_time_format->set_icu_simple_date_format(*managed_format);
@@ -2742,10 +2728,8 @@ MaybeHandle<JSArray> FormatToPartsWithTemporalSupport(
   DateTimeValueRecord x_record;
   MAYBE_ASSIGN_RETURN_ON_EXCEPTION_VALUE(
       isolate, x_record,
-      HandleDateTimeValue(
-          isolate, *format,
-          GetCalendar(isolate, *format, date_time_format->alt_calendar()), x,
-          method_name),
+      HandleDateTimeValue(isolate, *format, GetCalendar(isolate, *format), x,
+                          method_name),
       Handle<JSArray>());
 
   return FormatMillisecondsByKindToArray(isolate, *format, x_record.kind,
@@ -3070,8 +3054,8 @@ MaybeHandle<T> FormatRangeCommonWithTemporalSupport(
   // 6. Let x be ? HandleDateTimeValue(dateTimeFormat, x).
   icu::SimpleDateFormat* icu_simple_date_format =
       date_time_format->icu_simple_date_format()->raw();
-  Handle<String> date_time_format_calendar = GetCalendar(
-      isolate, *icu_simple_date_format, date_time_format->alt_calendar());
+  Handle<String> date_time_format_calendar =
+      GetCalendar(isolate, *icu_simple_date_format);
   DateTimeValueRecord x_record;
   MAYBE_ASSIGN_RETURN_ON_EXCEPTION_VALUE(
       isolate, x_record,
diff --git a/src/objects/js-date-time-format.h b/src/objects/js-date-time-format.h
index cdf87c2268a..ceebcc5e8f9 100644
--- a/v8/src/objects/js-date-time-format.h
+++ b/v8/src/objects/js-date-time-format.h
@@ -150,8 +150,6 @@ class JSDateTimeFormat
   DECL_ACCESSORS(icu_simple_date_format, Managed<icu::SimpleDateFormat>)
   DECL_ACCESSORS(icu_date_interval_format, Managed<icu::DateIntervalFormat>)
 
-  DECL_BOOLEAN_ACCESSORS(alt_calendar)
-
   DECL_PRINTER(JSDateTimeFormat)
 
   TQ_OBJECT_CONSTRUCTORS(JSDateTimeFormat)
diff --git a/src/objects/js-date-time-format.tq b/src/objects/js-date-time-format.tq
index ef0584e7901..6fab20c71d1 100644
--- a/v8/src/objects/js-date-time-format.tq
+++ b/v8/src/objects/js-date-time-format.tq
@@ -10,14 +10,6 @@ bitfield struct JSDateTimeFormatFlags extends uint31 {
   hour_cycle: HourCycle: 3 bit;
   date_style: DateTimeStyle: 3 bit;
   time_style: DateTimeStyle: 3 bit;
-  // ICU report the same type "gregorian" for both "gregorian" calendar and
-  // "iso8601" calendar and the same type "islamic" for both "islamic" and
-  // "islamic-rgsa" calendar. We use the alt_calendar bit to distinguish between
-  // them. When the type is "gregorian" and the alt_calendar bit is set, it is
-  // "iso8601", otherwise the true "gregorian" calendar. While the type is
-  // "islamic" and the alt_calendar bit is set, it is "islamic-rgsa" calendar,
-  // otherwise "islamic" calendar.
-  alt_calendar: bool: 1bit;
 }
 
 extern class JSDateTimeFormat extends JSObject {

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File v8-icu73-alt_calendar.patch of Package nodejs-electron (Revision 1d0408974039cdf593724ff465cf8f7a)

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