Fix error handling in Date.prototype.toISOString.

src/date.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 333 matching lines @@
 //     MakeDay(2007, 14, -50) --> MakeDay(2007, 8, 11)
 function MakeDay(year, month, date) {
   if (!$isFinite(year) || !$isFinite(month) || !$isFinite(date)) return $NaN;
 
   // Convert to integer and map -0 to 0.
   year = TO_INTEGER_MAP_MINUS_ZERO(year);
   month = TO_INTEGER_MAP_MINUS_ZERO(month);
   date = TO_INTEGER_MAP_MINUS_ZERO(date);
 
   if (year < kMinYear || year > kMaxYear ||
-      month < kMinMonth || month > kMaxMonth ||
-      date < kMinDate || date > kMaxDate) {
+      month < kMinMonth || month > kMaxMonth) {
     return $NaN;
   }
 
-  // Now we rely on year, month and date being SMIs.
-  return %DateMakeDay(year, month, date);
+  // Now we rely on year and month being SMIs.
+  return %DateMakeDay(year, month) + date - 1;
 }
 
 
 // ECMA 262 - 15.9.1.13
 function MakeDate(day, time) {
   var time = day * msPerDay + time;
   // Some of our runtime funtions for computing UTC(time) rely on
   // times not being significantly larger than MAX_TIME_MS. If there
   // is no way that the time can be within range even after UTC
   // conversion we return NaN immediately instead of relying on
@@ skipping 600 matching lines @@
   return %_CallFunction(this, DateToUTCString);
 }
 
 
 function PadInt(n, digits) {
   if (digits == 1) return n;
   return n < MathPow(10, digits - 1) ? '0' + PadInt(n, digits - 1) : n;
 }
 
 
+// ECMA 262 - 15.9.5.43
 function DateToISOString() {
   var t = DATE_VALUE(this);
-  if (NUMBER_IS_NAN(t)) return kInvalidDate;
+  if (NUMBER_IS_NAN(t)) throw MakeRangeError("invalid_time_value", []);
   var year = this.getUTCFullYear();
   var year_string;
   if (year >= 0 && year <= 9999) {
     year_string = PadInt(year, 4);
   } else {
     if (year < 0) {
       year_string = "-" + PadInt(-year, 6);
     } else {
       year_string = "+" + PadInt(year, 6);
     }
@@ skipping 112 matching lines @@
     "toGMTString", DateToGMTString,
     "toUTCString", DateToUTCString,
     "getYear", DateGetYear,
     "setYear", DateSetYear,
     "toISOString", DateToISOString,
     "toJSON", DateToJSON
   ));
 }
 
 SetUpDate();