[builtins] Move builtins into own files

src/builtins/builtins-date.cc

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/builtins/builtins.h"
+#include "src/builtins/builtins-utils.h"
+
+#include "src/dateparser-inl.h"
+
+namespace v8 {
+namespace internal {
+
+// -----------------------------------------------------------------------------
+// ES6 section 20.3 Date Objects
+
+namespace {
+
+// ES6 section 20.3.1.1 Time Values and Time Range
+const double kMinYear = -1000000.0;
+const double kMaxYear = -kMinYear;
+const double kMinMonth = -10000000.0;
+const double kMaxMonth = -kMinMonth;
+
+// 20.3.1.2 Day Number and Time within Day
+const double kMsPerDay = 86400000.0;
+
+// ES6 section 20.3.1.11 Hours, Minutes, Second, and Milliseconds
+const double kMsPerSecond = 1000.0;
+const double kMsPerMinute = 60000.0;
+const double kMsPerHour = 3600000.0;
+
+// ES6 section 20.3.1.14 MakeDate (day, time)
+double MakeDate(double day, double time) {
+  if (std::isfinite(day) && std::isfinite(time)) {
+    return time + day * kMsPerDay;
+  }
+  return std::numeric_limits<double>::quiet_NaN();
+}
+
+// ES6 section 20.3.1.13 MakeDay (year, month, date)
+double MakeDay(double year, double month, double date) {
+  if ((kMinYear <= year && year <= kMaxYear) &&
+      (kMinMonth <= month && month <= kMaxMonth) && std::isfinite(date)) {
+    int y = FastD2I(year);
+    int m = FastD2I(month);
+    y += m / 12;
+    m %= 12;
+    if (m < 0) {
+      m += 12;
+      y -= 1;
+    }
+    DCHECK_LE(0, m);
+    DCHECK_LT(m, 12);
+
+    // kYearDelta is an arbitrary number such that:
+    // a) kYearDelta = -1 (mod 400)
+    // b) year + kYearDelta > 0 for years in the range defined by
+    //    ECMA 262 - 15.9.1.1, i.e. upto 100,000,000 days on either side of
+    //    Jan 1 1970. This is required so that we don't run into integer
+    //    division of negative numbers.
+    // c) there shouldn't be an overflow for 32-bit integers in the following
+    //    operations.
+    static const int kYearDelta = 399999;
+    static const int kBaseDay =
+        365 * (1970 + kYearDelta) + (1970 + kYearDelta) / 4 -
+        (1970 + kYearDelta) / 100 + (1970 + kYearDelta) / 400;
+    int day_from_year = 365 * (y + kYearDelta) + (y + kYearDelta) / 4 -
+                        (y + kYearDelta) / 100 + (y + kYearDelta) / 400 -
+                        kBaseDay;
+    if ((y % 4 != 0) || (y % 100 == 0 && y % 400 != 0)) {
+      static const int kDayFromMonth[] = {0,   31,  59,  90,  120, 151,
+                                          181, 212, 243, 273, 304, 334};
+      day_from_year += kDayFromMonth[m];
+    } else {
+      static const int kDayFromMonth[] = {0,   31,  60,  91,  121, 152,
+                                          182, 213, 244, 274, 305, 335};
+      day_from_year += kDayFromMonth[m];
+    }
+    return static_cast<double>(day_from_year - 1) + date;
+  }
+  return std::numeric_limits<double>::quiet_NaN();
+}
+
+// ES6 section 20.3.1.12 MakeTime (hour, min, sec, ms)
+double MakeTime(double hour, double min, double sec, double ms) {
+  if (std::isfinite(hour) && std::isfinite(min) && std::isfinite(sec) &&
+      std::isfinite(ms)) {
+    double const h = DoubleToInteger(hour);
+    double const m = DoubleToInteger(min);
+    double const s = DoubleToInteger(sec);
+    double const milli = DoubleToInteger(ms);
+    return h * kMsPerHour + m * kMsPerMinute + s * kMsPerSecond + milli;
+  }
+  return std::numeric_limits<double>::quiet_NaN();
+}
+
+// ES6 section 20.3.1.15 TimeClip (time)
+double TimeClip(double time) {
+  if (-DateCache::kMaxTimeInMs <= time && time <= DateCache::kMaxTimeInMs) {
+    return DoubleToInteger(time) + 0.0;
+  }
+  return std::numeric_limits<double>::quiet_NaN();
+}
+
+const char* kShortWeekDays[] = {"Sun", "Mon", "Tue", "Wed",
+                                "Thu", "Fri", "Sat"};
+const char* kShortMonths[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
+                              "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
+
+// ES6 section 20.3.1.16 Date Time String Format
+double ParseDateTimeString(Handle<String> str) {
+  Isolate* const isolate = str->GetIsolate();
+  str = String::Flatten(str);
+  // TODO(bmeurer): Change DateParser to not use the FixedArray.
+  Handle<FixedArray> tmp =
+      isolate->factory()->NewFixedArray(DateParser::OUTPUT_SIZE);
+  DisallowHeapAllocation no_gc;
+  String::FlatContent str_content = str->GetFlatContent();
+  bool result;
+  if (str_content.IsOneByte()) {
+    result = DateParser::Parse(isolate, str_content.ToOneByteVector(), *tmp);
+  } else {
+    result = DateParser::Parse(isolate, str_content.ToUC16Vector(), *tmp);
+  }
+  if (!result) return std::numeric_limits<double>::quiet_NaN();
+  double const day = MakeDay(tmp->get(0)->Number(), tmp->get(1)->Number(),
+                             tmp->get(2)->Number());
+  double const time = MakeTime(tmp->get(3)->Number(), tmp->get(4)->Number(),
+                               tmp->get(5)->Number(), tmp->get(6)->Number());
+  double date = MakeDate(day, time);
+  if (tmp->get(7)->IsNull(isolate)) {
+    if (!std::isnan(date)) {
+      date = isolate->date_cache()->ToUTC(static_cast<int64_t>(date));
+    }
+  } else {
+    date -= tmp->get(7)->Number() * 1000.0;
+  }
+  return date;
+}
+
+enum ToDateStringMode { kDateOnly, kTimeOnly, kDateAndTime };
+
+// ES6 section 20.3.4.41.1 ToDateString(tv)
+void ToDateString(double time_val, Vector<char> str, DateCache* date_cache,
+                  ToDateStringMode mode = kDateAndTime) {
+  if (std::isnan(time_val)) {
+    SNPrintF(str, "Invalid Date");
+    return;
+  }
+  int64_t time_ms = static_cast<int64_t>(time_val);
+  int64_t local_time_ms = date_cache->ToLocal(time_ms);
+  int year, month, day, weekday, hour, min, sec, ms;
+  date_cache->BreakDownTime(local_time_ms, &year, &month, &day, &weekday, &hour,
+                            &min, &sec, &ms);
+  int timezone_offset = -date_cache->TimezoneOffset(time_ms);
+  int timezone_hour = std::abs(timezone_offset) / 60;
+  int timezone_min = std::abs(timezone_offset) % 60;
+  const char* local_timezone = date_cache->LocalTimezone(time_ms);
+  switch (mode) {
+    case kDateOnly:
+      SNPrintF(str, "%s %s %02d %4d", kShortWeekDays[weekday],
+               kShortMonths[month], day, year);
+      return;
+    case kTimeOnly:
+      SNPrintF(str, "%02d:%02d:%02d GMT%c%02d%02d (%s)", hour, min, sec,
+               (timezone_offset < 0) ? '-' : '+', timezone_hour, timezone_min,
+               local_timezone);
+      return;
+    case kDateAndTime:
+      SNPrintF(str, "%s %s %02d %4d %02d:%02d:%02d GMT%c%02d%02d (%s)",
+               kShortWeekDays[weekday], kShortMonths[month], day, year, hour,
+               min, sec, (timezone_offset < 0) ? '-' : '+', timezone_hour,
+               timezone_min, local_timezone);
+      return;
+  }
+  UNREACHABLE();
+}
+
+Object* SetLocalDateValue(Handle<JSDate> date, double time_val) {
+  if (time_val >= -DateCache::kMaxTimeBeforeUTCInMs &&
+      time_val <= DateCache::kMaxTimeBeforeUTCInMs) {
+    Isolate* const isolate = date->GetIsolate();
+    time_val = isolate->date_cache()->ToUTC(static_cast<int64_t>(time_val));
+  } else {
+    time_val = std::numeric_limits<double>::quiet_NaN();
+  }
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+}  // namespace
+
+// ES6 section 20.3.2 The Date Constructor for the [[Call]] case.
+BUILTIN(DateConstructor) {
+  HandleScope scope(isolate);
+  double const time_val = JSDate::CurrentTimeValue(isolate);
+  char buffer[128];
+  ToDateString(time_val, ArrayVector(buffer), isolate->date_cache());
+  RETURN_RESULT_OR_FAILURE(
+      isolate, isolate->factory()->NewStringFromUtf8(CStrVector(buffer)));
+}
+
+// ES6 section 20.3.2 The Date Constructor for the [[Construct]] case.
+BUILTIN(DateConstructor_ConstructStub) {
+  HandleScope scope(isolate);
+  int const argc = args.length() - 1;
+  Handle<JSFunction> target = args.target<JSFunction>();
+  Handle<JSReceiver> new_target = Handle<JSReceiver>::cast(args.new_target());
+  double time_val;
+  if (argc == 0) {
+    time_val = JSDate::CurrentTimeValue(isolate);
+  } else if (argc == 1) {
+    Handle<Object> value = args.at<Object>(1);
+    if (value->IsJSDate()) {
+      time_val = Handle<JSDate>::cast(value)->value()->Number();
+    } else {
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value,
+                                         Object::ToPrimitive(value));
+      if (value->IsString()) {
+        time_val = ParseDateTimeString(Handle<String>::cast(value));
+      } else {
+        ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value,
+                                           Object::ToNumber(value));
+        time_val = value->Number();
+      }
+    }
+  } else {
+    Handle<Object> year_object;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year_object,
+                                       Object::ToNumber(args.at<Object>(1)));
+    Handle<Object> month_object;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month_object,
+                                       Object::ToNumber(args.at<Object>(2)));
+    double year = year_object->Number();
+    double month = month_object->Number();
+    double date = 1.0, hours = 0.0, minutes = 0.0, seconds = 0.0, ms = 0.0;
+    if (argc >= 3) {
+      Handle<Object> date_object;
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date_object,
+                                         Object::ToNumber(args.at<Object>(3)));
+      date = date_object->Number();
+      if (argc >= 4) {
+        Handle<Object> hours_object;
+        ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+            isolate, hours_object, Object::ToNumber(args.at<Object>(4)));
+        hours = hours_object->Number();
+        if (argc >= 5) {
+          Handle<Object> minutes_object;
+          ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+              isolate, minutes_object, Object::ToNumber(args.at<Object>(5)));
+          minutes = minutes_object->Number();
+          if (argc >= 6) {
+            Handle<Object> seconds_object;
+            ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+                isolate, seconds_object, Object::ToNumber(args.at<Object>(6)));
+            seconds = seconds_object->Number();
+            if (argc >= 7) {
+              Handle<Object> ms_object;
+              ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+                  isolate, ms_object, Object::ToNumber(args.at<Object>(7)));
+              ms = ms_object->Number();
+            }
+          }
+        }
+      }
+    }
+    if (!std::isnan(year)) {
+      double const y = DoubleToInteger(year);
+      if (0.0 <= y && y <= 99) year = 1900 + y;
+    }
+    double const day = MakeDay(year, month, date);
+    double const time = MakeTime(hours, minutes, seconds, ms);
+    time_val = MakeDate(day, time);
+    if (time_val >= -DateCache::kMaxTimeBeforeUTCInMs &&
+        time_val <= DateCache::kMaxTimeBeforeUTCInMs) {
+      time_val = isolate->date_cache()->ToUTC(static_cast<int64_t>(time_val));
+    } else {
+      time_val = std::numeric_limits<double>::quiet_NaN();
+    }
+  }
+  RETURN_RESULT_OR_FAILURE(isolate, JSDate::New(target, new_target, time_val));
+}
+
+// ES6 section 20.3.3.1 Date.now ( )
+BUILTIN(DateNow) {
+  HandleScope scope(isolate);
+  return *isolate->factory()->NewNumber(JSDate::CurrentTimeValue(isolate));
+}
+
+// ES6 section 20.3.3.2 Date.parse ( string )
+BUILTIN(DateParse) {
+  HandleScope scope(isolate);
+  Handle<String> string;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, string,
+      Object::ToString(isolate, args.atOrUndefined(isolate, 1)));
+  return *isolate->factory()->NewNumber(ParseDateTimeString(string));
+}
+
+// ES6 section 20.3.3.4 Date.UTC (year,month,date,hours,minutes,seconds,ms)
+BUILTIN(DateUTC) {
+  HandleScope scope(isolate);
+  int const argc = args.length() - 1;
+  double year = std::numeric_limits<double>::quiet_NaN();
+  double month = std::numeric_limits<double>::quiet_NaN();
+  double date = 1.0, hours = 0.0, minutes = 0.0, seconds = 0.0, ms = 0.0;
+  if (argc >= 1) {
+    Handle<Object> year_object;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year_object,
+                                       Object::ToNumber(args.at<Object>(1)));
+    year = year_object->Number();
+    if (argc >= 2) {
+      Handle<Object> month_object;
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month_object,
+                                         Object::ToNumber(args.at<Object>(2)));
+      month = month_object->Number();
+      if (argc >= 3) {
+        Handle<Object> date_object;
+        ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+            isolate, date_object, Object::ToNumber(args.at<Object>(3)));
+        date = date_object->Number();
+        if (argc >= 4) {
+          Handle<Object> hours_object;
+          ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+              isolate, hours_object, Object::ToNumber(args.at<Object>(4)));
+          hours = hours_object->Number();
+          if (argc >= 5) {
+            Handle<Object> minutes_object;
+            ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+                isolate, minutes_object, Object::ToNumber(args.at<Object>(5)));
+            minutes = minutes_object->Number();
+            if (argc >= 6) {
+              Handle<Object> seconds_object;
+              ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+                  isolate, seconds_object,
+                  Object::ToNumber(args.at<Object>(6)));
+              seconds = seconds_object->Number();
+              if (argc >= 7) {
+                Handle<Object> ms_object;
+                ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+                    isolate, ms_object, Object::ToNumber(args.at<Object>(7)));
+                ms = ms_object->Number();
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  if (!std::isnan(year)) {
+    double const y = DoubleToInteger(year);
+    if (0.0 <= y && y <= 99) year = 1900 + y;
+  }
+  double const day = MakeDay(year, month, date);
+  double const time = MakeTime(hours, minutes, seconds, ms);
+  return *isolate->factory()->NewNumber(TimeClip(MakeDate(day, time)));
+}
+
+// ES6 section 20.3.4.20 Date.prototype.setDate ( date )
+BUILTIN(DatePrototypeSetDate) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setDate");
+  Handle<Object> value = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, Object::ToNumber(value));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int const days = isolate->date_cache()->DaysFromTime(local_time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days);
+    int year, month, day;
+    isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day);
+    time_val = MakeDate(MakeDay(year, month, value->Number()), time_within_day);
+  }
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.21 Date.prototype.setFullYear (year, month, date)
+BUILTIN(DatePrototypeSetFullYear) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setFullYear");
+  int const argc = args.length() - 1;
+  Handle<Object> year = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year, Object::ToNumber(year));
+  double y = year->Number(), m = 0.0, dt = 1.0;
+  int time_within_day = 0;
+  if (!std::isnan(date->value()->Number())) {
+    int64_t const time_ms = static_cast<int64_t>(date->value()->Number());
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int const days = isolate->date_cache()->DaysFromTime(local_time_ms);
+    time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days);
+    int year, month, day;
+    isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day);
+    m = month;
+    dt = day;
+  }
+  if (argc >= 2) {
+    Handle<Object> month = args.at<Object>(2);
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, Object::ToNumber(month));
+    m = month->Number();
+    if (argc >= 3) {
+      Handle<Object> date = args.at<Object>(3);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date, Object::ToNumber(date));
+      dt = date->Number();
+    }
+  }
+  double time_val = MakeDate(MakeDay(y, m, dt), time_within_day);
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.22 Date.prototype.setHours(hour, min, sec, ms)
+BUILTIN(DatePrototypeSetHours) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setHours");
+  int const argc = args.length() - 1;
+  Handle<Object> hour = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, hour, Object::ToNumber(hour));
+  double h = hour->Number();
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int day = isolate->date_cache()->DaysFromTime(local_time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day);
+    double m = (time_within_day / (60 * 1000)) % 60;
+    double s = (time_within_day / 1000) % 60;
+    double milli = time_within_day % 1000;
+    if (argc >= 2) {
+      Handle<Object> min = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, Object::ToNumber(min));
+      m = min->Number();
+      if (argc >= 3) {
+        Handle<Object> sec = args.at<Object>(3);
+        ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, Object::ToNumber(sec));
+        s = sec->Number();
+        if (argc >= 4) {
+          Handle<Object> ms = args.at<Object>(4);
+          ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+          milli = ms->Number();
+        }
+      }
+    }
+    time_val = MakeDate(day, MakeTime(h, m, s, milli));
+  }
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.23 Date.prototype.setMilliseconds(ms)
+BUILTIN(DatePrototypeSetMilliseconds) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setMilliseconds");
+  Handle<Object> ms = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int day = isolate->date_cache()->DaysFromTime(local_time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day);
+    int h = time_within_day / (60 * 60 * 1000);
+    int m = (time_within_day / (60 * 1000)) % 60;
+    int s = (time_within_day / 1000) % 60;
+    time_val = MakeDate(day, MakeTime(h, m, s, ms->Number()));
+  }
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.24 Date.prototype.setMinutes ( min, sec, ms )
+BUILTIN(DatePrototypeSetMinutes) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setMinutes");
+  int const argc = args.length() - 1;
+  Handle<Object> min = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, Object::ToNumber(min));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int day = isolate->date_cache()->DaysFromTime(local_time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day);
+    int h = time_within_day / (60 * 60 * 1000);
+    double m = min->Number();
+    double s = (time_within_day / 1000) % 60;
+    double milli = time_within_day % 1000;
+    if (argc >= 2) {
+      Handle<Object> sec = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, Object::ToNumber(sec));
+      s = sec->Number();
+      if (argc >= 3) {
+        Handle<Object> ms = args.at<Object>(3);
+        ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+        milli = ms->Number();
+      }
+    }
+    time_val = MakeDate(day, MakeTime(h, m, s, milli));
+  }
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.25 Date.prototype.setMonth ( month, date )
+BUILTIN(DatePrototypeSetMonth) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setMonth");
+  int const argc = args.length() - 1;
+  Handle<Object> month = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, Object::ToNumber(month));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int days = isolate->date_cache()->DaysFromTime(local_time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days);
+    int year, unused, day;
+    isolate->date_cache()->YearMonthDayFromDays(days, &year, &unused, &day);
+    double m = month->Number();
+    double dt = day;
+    if (argc >= 2) {
+      Handle<Object> date = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date, Object::ToNumber(date));
+      dt = date->Number();
+    }
+    time_val = MakeDate(MakeDay(year, m, dt), time_within_day);
+  }
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.26 Date.prototype.setSeconds ( sec, ms )
+BUILTIN(DatePrototypeSetSeconds) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setSeconds");
+  int const argc = args.length() - 1;
+  Handle<Object> sec = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, Object::ToNumber(sec));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int day = isolate->date_cache()->DaysFromTime(local_time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, day);
+    int h = time_within_day / (60 * 60 * 1000);
+    double m = (time_within_day / (60 * 1000)) % 60;
+    double s = sec->Number();
+    double milli = time_within_day % 1000;
+    if (argc >= 2) {
+      Handle<Object> ms = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+      milli = ms->Number();
+    }
+    time_val = MakeDate(day, MakeTime(h, m, s, milli));
+  }
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.27 Date.prototype.setTime ( time )
+BUILTIN(DatePrototypeSetTime) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setTime");
+  Handle<Object> value = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, Object::ToNumber(value));
+  return *JSDate::SetValue(date, TimeClip(value->Number()));
+}
+
+// ES6 section 20.3.4.28 Date.prototype.setUTCDate ( date )
+BUILTIN(DatePrototypeSetUTCDate) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCDate");
+  Handle<Object> value = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value, Object::ToNumber(value));
+  if (std::isnan(date->value()->Number())) return date->value();
+  int64_t const time_ms = static_cast<int64_t>(date->value()->Number());
+  int const days = isolate->date_cache()->DaysFromTime(time_ms);
+  int const time_within_day = isolate->date_cache()->TimeInDay(time_ms, days);
+  int year, month, day;
+  isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day);
+  double const time_val =
+      MakeDate(MakeDay(year, month, value->Number()), time_within_day);
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+// ES6 section 20.3.4.29 Date.prototype.setUTCFullYear (year, month, date)
+BUILTIN(DatePrototypeSetUTCFullYear) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCFullYear");
+  int const argc = args.length() - 1;
+  Handle<Object> year = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year, Object::ToNumber(year));
+  double y = year->Number(), m = 0.0, dt = 1.0;
+  int time_within_day = 0;
+  if (!std::isnan(date->value()->Number())) {
+    int64_t const time_ms = static_cast<int64_t>(date->value()->Number());
+    int const days = isolate->date_cache()->DaysFromTime(time_ms);
+    time_within_day = isolate->date_cache()->TimeInDay(time_ms, days);
+    int year, month, day;
+    isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day);
+    m = month;
+    dt = day;
+  }
+  if (argc >= 2) {
+    Handle<Object> month = args.at<Object>(2);
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, Object::ToNumber(month));
+    m = month->Number();
+    if (argc >= 3) {
+      Handle<Object> date = args.at<Object>(3);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date, Object::ToNumber(date));
+      dt = date->Number();
+    }
+  }
+  double const time_val = MakeDate(MakeDay(y, m, dt), time_within_day);
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+// ES6 section 20.3.4.30 Date.prototype.setUTCHours(hour, min, sec, ms)
+BUILTIN(DatePrototypeSetUTCHours) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCHours");
+  int const argc = args.length() - 1;
+  Handle<Object> hour = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, hour, Object::ToNumber(hour));
+  double h = hour->Number();
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int day = isolate->date_cache()->DaysFromTime(time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day);
+    double m = (time_within_day / (60 * 1000)) % 60;
+    double s = (time_within_day / 1000) % 60;
+    double milli = time_within_day % 1000;
+    if (argc >= 2) {
+      Handle<Object> min = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, Object::ToNumber(min));
+      m = min->Number();
+      if (argc >= 3) {
+        Handle<Object> sec = args.at<Object>(3);
+        ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, Object::ToNumber(sec));
+        s = sec->Number();
+        if (argc >= 4) {
+          Handle<Object> ms = args.at<Object>(4);
+          ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+          milli = ms->Number();
+        }
+      }
+    }
+    time_val = MakeDate(day, MakeTime(h, m, s, milli));
+  }
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+// ES6 section 20.3.4.31 Date.prototype.setUTCMilliseconds(ms)
+BUILTIN(DatePrototypeSetUTCMilliseconds) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCMilliseconds");
+  Handle<Object> ms = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int day = isolate->date_cache()->DaysFromTime(time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day);
+    int h = time_within_day / (60 * 60 * 1000);
+    int m = (time_within_day / (60 * 1000)) % 60;
+    int s = (time_within_day / 1000) % 60;
+    time_val = MakeDate(day, MakeTime(h, m, s, ms->Number()));
+  }
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+// ES6 section 20.3.4.32 Date.prototype.setUTCMinutes ( min, sec, ms )
+BUILTIN(DatePrototypeSetUTCMinutes) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCMinutes");
+  int const argc = args.length() - 1;
+  Handle<Object> min = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, min, Object::ToNumber(min));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int day = isolate->date_cache()->DaysFromTime(time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day);
+    int h = time_within_day / (60 * 60 * 1000);
+    double m = min->Number();
+    double s = (time_within_day / 1000) % 60;
+    double milli = time_within_day % 1000;
+    if (argc >= 2) {
+      Handle<Object> sec = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, Object::ToNumber(sec));
+      s = sec->Number();
+      if (argc >= 3) {
+        Handle<Object> ms = args.at<Object>(3);
+        ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+        milli = ms->Number();
+      }
+    }
+    time_val = MakeDate(day, MakeTime(h, m, s, milli));
+  }
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+// ES6 section 20.3.4.31 Date.prototype.setUTCMonth ( month, date )
+BUILTIN(DatePrototypeSetUTCMonth) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCMonth");
+  int const argc = args.length() - 1;
+  Handle<Object> month = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, month, Object::ToNumber(month));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int days = isolate->date_cache()->DaysFromTime(time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(time_ms, days);
+    int year, unused, day;
+    isolate->date_cache()->YearMonthDayFromDays(days, &year, &unused, &day);
+    double m = month->Number();
+    double dt = day;
+    if (argc >= 2) {
+      Handle<Object> date = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, date, Object::ToNumber(date));
+      dt = date->Number();
+    }
+    time_val = MakeDate(MakeDay(year, m, dt), time_within_day);
+  }
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+// ES6 section 20.3.4.34 Date.prototype.setUTCSeconds ( sec, ms )
+BUILTIN(DatePrototypeSetUTCSeconds) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setUTCSeconds");
+  int const argc = args.length() - 1;
+  Handle<Object> sec = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, sec, Object::ToNumber(sec));
+  double time_val = date->value()->Number();
+  if (!std::isnan(time_val)) {
+    int64_t const time_ms = static_cast<int64_t>(time_val);
+    int day = isolate->date_cache()->DaysFromTime(time_ms);
+    int time_within_day = isolate->date_cache()->TimeInDay(time_ms, day);
+    int h = time_within_day / (60 * 60 * 1000);
+    double m = (time_within_day / (60 * 1000)) % 60;
+    double s = sec->Number();
+    double milli = time_within_day % 1000;
+    if (argc >= 2) {
+      Handle<Object> ms = args.at<Object>(2);
+      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, ms, Object::ToNumber(ms));
+      milli = ms->Number();
+    }
+    time_val = MakeDate(day, MakeTime(h, m, s, milli));
+  }
+  return *JSDate::SetValue(date, TimeClip(time_val));
+}
+
+// ES6 section 20.3.4.35 Date.prototype.toDateString ( )
+BUILTIN(DatePrototypeToDateString) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.toDateString");
+  char buffer[128];
+  ToDateString(date->value()->Number(), ArrayVector(buffer),
+               isolate->date_cache(), kDateOnly);
+  RETURN_RESULT_OR_FAILURE(
+      isolate, isolate->factory()->NewStringFromUtf8(CStrVector(buffer)));
+}
+
+// ES6 section 20.3.4.36 Date.prototype.toISOString ( )
+BUILTIN(DatePrototypeToISOString) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.toISOString");
+  double const time_val = date->value()->Number();
+  if (std::isnan(time_val)) {
+    THROW_NEW_ERROR_RETURN_FAILURE(
+        isolate, NewRangeError(MessageTemplate::kInvalidTimeValue));
+  }
+  int64_t const time_ms = static_cast<int64_t>(time_val);
+  int year, month, day, weekday, hour, min, sec, ms;
+  isolate->date_cache()->BreakDownTime(time_ms, &year, &month, &day, &weekday,
+                                       &hour, &min, &sec, &ms);
+  char buffer[128];
+  if (year >= 0 && year <= 9999) {
+    SNPrintF(ArrayVector(buffer), "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ", year,
+             month + 1, day, hour, min, sec, ms);
+  } else if (year < 0) {
+    SNPrintF(ArrayVector(buffer), "-%06d-%02d-%02dT%02d:%02d:%02d.%03dZ", -year,
+             month + 1, day, hour, min, sec, ms);
+  } else {
+    SNPrintF(ArrayVector(buffer), "+%06d-%02d-%02dT%02d:%02d:%02d.%03dZ", year,
+             month + 1, day, hour, min, sec, ms);
+  }
+  return *isolate->factory()->NewStringFromAsciiChecked(buffer);
+}
+
+// ES6 section 20.3.4.41 Date.prototype.toString ( )
+BUILTIN(DatePrototypeToString) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.toString");
+  char buffer[128];
+  ToDateString(date->value()->Number(), ArrayVector(buffer),
+               isolate->date_cache());
+  RETURN_RESULT_OR_FAILURE(
+      isolate, isolate->factory()->NewStringFromUtf8(CStrVector(buffer)));
+}
+
+// ES6 section 20.3.4.42 Date.prototype.toTimeString ( )
+BUILTIN(DatePrototypeToTimeString) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.toTimeString");
+  char buffer[128];
+  ToDateString(date->value()->Number(), ArrayVector(buffer),
+               isolate->date_cache(), kTimeOnly);
+  RETURN_RESULT_OR_FAILURE(
+      isolate, isolate->factory()->NewStringFromUtf8(CStrVector(buffer)));
+}
+
+// ES6 section 20.3.4.43 Date.prototype.toUTCString ( )
+BUILTIN(DatePrototypeToUTCString) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.toUTCString");
+  double const time_val = date->value()->Number();
+  if (std::isnan(time_val)) {
+    return *isolate->factory()->NewStringFromAsciiChecked("Invalid Date");
+  }
+  char buffer[128];
+  int64_t time_ms = static_cast<int64_t>(time_val);
+  int year, month, day, weekday, hour, min, sec, ms;
+  isolate->date_cache()->BreakDownTime(time_ms, &year, &month, &day, &weekday,
+                                       &hour, &min, &sec, &ms);
+  SNPrintF(ArrayVector(buffer), "%s, %02d %s %4d %02d:%02d:%02d GMT",
+           kShortWeekDays[weekday], day, kShortMonths[month], year, hour, min,
+           sec);
+  return *isolate->factory()->NewStringFromAsciiChecked(buffer);
+}
+
+// ES6 section 20.3.4.44 Date.prototype.valueOf ( )
+BUILTIN(DatePrototypeValueOf) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.valueOf");
+  return date->value();
+}
+
+// ES6 section 20.3.4.45 Date.prototype [ @@toPrimitive ] ( hint )
+BUILTIN(DatePrototypeToPrimitive) {
+  HandleScope scope(isolate);
+  DCHECK_EQ(2, args.length());
+  CHECK_RECEIVER(JSReceiver, receiver, "Date.prototype [ @@toPrimitive ]");
+  Handle<Object> hint = args.at<Object>(1);
+  RETURN_RESULT_OR_FAILURE(isolate, JSDate::ToPrimitive(receiver, hint));
+}
+
+// ES6 section B.2.4.1 Date.prototype.getYear ( )
+BUILTIN(DatePrototypeGetYear) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.getYear");
+  double time_val = date->value()->Number();
+  if (std::isnan(time_val)) return date->value();
+  int64_t time_ms = static_cast<int64_t>(time_val);
+  int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+  int days = isolate->date_cache()->DaysFromTime(local_time_ms);
+  int year, month, day;
+  isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day);
+  return Smi::FromInt(year - 1900);
+}
+
+// ES6 section B.2.4.2 Date.prototype.setYear ( year )
+BUILTIN(DatePrototypeSetYear) {
+  HandleScope scope(isolate);
+  CHECK_RECEIVER(JSDate, date, "Date.prototype.setYear");
+  Handle<Object> year = args.atOrUndefined(isolate, 1);
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, year, Object::ToNumber(year));
+  double m = 0.0, dt = 1.0, y = year->Number();
+  if (0.0 <= y && y <= 99.0) {
+    y = 1900.0 + DoubleToInteger(y);
+  }
+  int time_within_day = 0;
+  if (!std::isnan(date->value()->Number())) {
+    int64_t const time_ms = static_cast<int64_t>(date->value()->Number());
+    int64_t local_time_ms = isolate->date_cache()->ToLocal(time_ms);
+    int const days = isolate->date_cache()->DaysFromTime(local_time_ms);
+    time_within_day = isolate->date_cache()->TimeInDay(local_time_ms, days);
+    int year, month, day;
+    isolate->date_cache()->YearMonthDayFromDays(days, &year, &month, &day);
+    m = month;
+    dt = day;
+  }
+  double time_val = MakeDate(MakeDay(y, m, dt), time_within_day);
+  return SetLocalDateValue(date, time_val);
+}
+
+// ES6 section 20.3.4.37 Date.prototype.toJSON ( key )
+BUILTIN(DatePrototypeToJson) {
+  HandleScope scope(isolate);
+  Handle<Object> receiver = args.atOrUndefined(isolate, 0);
+  Handle<JSReceiver> receiver_obj;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver_obj,
+                                     Object::ToObject(isolate, receiver));
+  Handle<Object> primitive;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, primitive,
+      Object::ToPrimitive(receiver_obj, ToPrimitiveHint::kNumber));
+  if (primitive->IsNumber() && !std::isfinite(primitive->Number())) {
+    return isolate->heap()->null_value();
+  } else {
+    Handle<String> name =
+        isolate->factory()->NewStringFromAsciiChecked("toISOString");
+    Handle<Object> function;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, function,
+                                       Object::GetProperty(receiver_obj, name));
+    if (!function->IsCallable()) {
+      THROW_NEW_ERROR_RETURN_FAILURE(
+          isolate, NewTypeError(MessageTemplate::kCalledNonCallable, name));
+    }
+    RETURN_RESULT_OR_FAILURE(
+        isolate, Execution::Call(isolate, function, receiver_obj, 0, NULL));
+  }
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetDate(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kDay);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetDay(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kWeekday);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetFullYear(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kYear);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetHours(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kHour);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetMilliseconds(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kMillisecond);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetMinutes(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kMinute);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetMonth(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kMonth);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetSeconds(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kSecond);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetTime(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kDateValue);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetTimezoneOffset(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kTimezoneOffset);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCDate(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kDayUTC);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCDay(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kWeekdayUTC);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCFullYear(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kYearUTC);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCHours(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kHourUTC);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCMilliseconds(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kMillisecondUTC);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCMinutes(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kMinuteUTC);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCMonth(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kMonthUTC);
+}
+
+// static
+void Builtins::Generate_DatePrototypeGetUTCSeconds(MacroAssembler* masm) {
+  Generate_DatePrototype_GetField(masm, JSDate::kSecondUTC);
+}
+
+}  // namespace internal
+}  // namespace v8