Bug 1062484 - Change value of String.fromCodePoint.length to 1. r=till

js/src/builtin/String.js

@@ -148,8 +148,8 @@ function String_localeCompare(that) {
     return intl_CompareStrings(collator, S, That);
 }
 
-/* ES6 Draft September 5, 2013 21.1.2.2 */
-function String_static_fromCodePoint() {
+// ES6 draft rev27 (2014/08/24) 21.1.2.2 String.fromCodePoint(...codePoints)
+function String_static_fromCodePoint(codePoints) {
     // Step 1. is not relevant
     // Step 2.
     var length = arguments.length;

js/src/jsstr.cpp

@@ -4285,7 +4285,7 @@ js::str_fromCharCode_one_arg(JSContext *cx, HandleValue code, MutableHandleValue
 
 static const JSFunctionSpec string_static_methods[] = {
     JS_FN("fromCharCode", js::str_fromCharCode, 1, 0),
-    JS_SELF_HOSTED_FN("fromCodePoint", "String_static_fromCodePoint", 0,0),
+    JS_SELF_HOSTED_FN("fromCodePoint", "String_static_fromCodePoint", 1, 0),
     JS_SELF_HOSTED_FN("raw", "String_static_raw", 2, 0),
 
     // This must be at the end because of bug 853075: functions listed after

js/src/tests/ecma_6/String/fromCodePoint.js

@@ -6,7 +6,7 @@ print(BUGNUMBER + ": " + summary);
 // Tests taken from:
 // https://github.com/mathiasbynens/String.fromCodePoint/blob/master/tests/tests.js
 
-assertEq(String.fromCodePoint.length, 0);
+assertEq(String.fromCodePoint.length, 1);
 assertEq(String.propertyIsEnumerable('fromCodePoint'), false);
 
 assertEq(String.fromCodePoint(''), '\0');