Update V8 to r5017 as required by WebKit r62496
Change-Id: I1b4b7718d1d77ceef07f543e9150a2cb3a628f3a
diff --git a/src/array.js b/src/array.js
index 216c03b..f3c0697 100644
--- a/src/array.js
+++ b/src/array.js
@@ -954,7 +954,7 @@
function ArrayIndexOf(element, index) {
var length = this.length;
- if (index == null) {
+ if (IS_UNDEFINED(index)) {
index = 0;
} else {
index = TO_INTEGER(index);
@@ -981,7 +981,7 @@
function ArrayLastIndexOf(element, index) {
var length = this.length;
- if (index == null) {
+ if (%_ArgumentsLength() < 2) {
index = length - 1;
} else {
index = TO_INTEGER(index);