deps: upgrade V8 to 4.7.80.24

Pick up the latest branch head for V8 4.7:
https://github.com/v8/v8/commit/be169f8df059040e6a53ec1dd4579d8bca2167b5

Full change history for the 4.7 branch:
https://chromium.googlesource.com/v8/v8.git/+log/branch-heads/4.7

V8 blog post about what is new on V8 4.7:
http://v8project.blogspot.de/2015/10/v8-release-47.html

PR-URL: https://github.com/nodejs/node/pull/4106
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/deps/v8/src/compiler/graph.cc b/deps/v8/src/compiler/graph.cc
index 00074b5513..3d4d6da89c 100644
--- a/deps/v8/src/compiler/graph.cc
+++ b/deps/v8/src/compiler/graph.cc
@@ -8,6 +8,8 @@
 
 #include "src/base/bits.h"
 #include "src/compiler/node.h"
+#include "src/compiler/node-properties.h"
+#include "src/compiler/verifier.h"
 
 namespace v8 {
 namespace internal {
@@ -43,7 +45,14 @@ void Graph::RemoveDecorator(GraphDecorator* decorator) {
 
 Node* Graph::NewNode(const Operator* op, int input_count, Node** inputs,
                      bool incomplete) {
-  DCHECK_LE(op->ValueInputCount(), input_count);
+  Node* node = NewNodeUnchecked(op, input_count, inputs, incomplete);
+  Verifier::VerifyNode(node);
+  return node;
+}
+
+
+Node* Graph::NewNodeUnchecked(const Operator* op, int input_count,
+                              Node** inputs, bool incomplete) {
   Node* const node =
       Node::New(zone(), NextNodeId(), op, input_count, inputs, incomplete);
   Decorate(node);