Intl.DateTimeFormat.{formatRange,formatRangeToParts} should throw TypeError instead of RangeError if either of parameter is undefined (#2685)

http://tc39.es/proposal-intl-DateTimeFormat-formatRange/
The spec draft throws TypeError instead of RangeError.

	1.4.5 Intl.DateTimeFormat.prototype.formatRange ( startDate , endDate )
	...
	4. If startDate is undefined or endDate is undefined, throw a TypeError exception.

	1.4.6 Intl.DateTimeFormat.prototype.formatRangeToParts ( startDate , endDate )
	...
	4. If startDate is undefined or endDate is undefined, throw a TypeError exception.

test/intl402/DateTimeFormat/prototype/formatRange/date-undefined-throws.js

@@ -3,14 +3,14 @@
 
 /*---
 description: >
-  Throws a RangeError if startDate or endDate is undefined.
+  Throws a TypeError if startDate or endDate is undefined.
 info: |
   Intl.DateTimeFormat.prototype.formatRange ( startDate , endDate )
 
   1. Let dtf be this value.
   2. If Type(dtf) is not Object, throw a TypeError exception.
   3. If dtf does not have an [[InitializedDateTimeFormat]] internal slot, throw a TypeError exception.
-  4. If startDate is undefined or endDate is undefined, throw a RangeError exception.
+  4. If startDate is undefined or endDate is undefined, throw a TypeError exception.
   5. Let x be ? ToNumber(startDate).
   6. Let y be ? ToNumber(endDate).
 
@@ -19,24 +19,24 @@ features: [Intl.DateTimeFormat-formatRange]
 
 var dtf = new Intl.DateTimeFormat();
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRange(); // Not possible to poison this one
 }, "no args");
 
 var poison = { valueOf() { throw new Test262Error(); } };
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRange(undefined, poison);
 }, "date/undefined");
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRange(poison, undefined);
 }, "undefined/date");
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRange(poison);
 }, "only one arg");
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRange(undefined, undefined);
 }, "undefined/undefined");

test/intl402/DateTimeFormat/prototype/formatRangeToParts/date-undefined-throws.js

@@ -3,14 +3,14 @@
 
 /*---
 description: >
-  Throws a RangeError if startDate or endDate are undefined.
+  Throws a TypeError if startDate or endDate are undefined.
 info: |
   Intl.DateTimeFormat.prototype.formatRangeToParts ( startDate , endDate )
 
   1. Let dtf be this value.
   2. If Type(dtf) is not Object, throw a TypeError exception.
   3. If dtf does not have an [[InitializedDateTimeFormat]] internal slot, throw a TypeError exception.
-  4. If startDate is undefined or endDate is undefined, throw a RangeError exception.
+  4. If startDate is undefined or endDate is undefined, throw a TypeError exception.
   5. Let x be ? ToNumber(startDate).
   6. Let y be ? ToNumber(endDate).
 
@@ -18,24 +18,24 @@ features: [Intl.DateTimeFormat-formatRange]
 ---*/
 var dtf = new Intl.DateTimeFormat();
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRangeToParts(); // Not possible to poison this one
 }, "no args");
 
 var poison = { valueOf() { throw new Test262Error(); } };
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRangeToParts(undefined, poison);
 }, "date/undefined");
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRangeToParts(poison, undefined);
 }, "undefined/date");
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRangeToParts(poison);
 }, "only one arg");
 
-assert.throws(RangeError, function() {
+assert.throws(TypeError, function() {
   dtf.formatRangeToParts(undefined, undefined);
 }, "undefined/undefined");