Upgrade V8 to version 4.9.385.28

https://chromium.googlesource.com/v8/v8/+/4.9.385.28

FPIIM-449

Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/compiler/diamond.h b/src/compiler/diamond.h
index 6133cc5..e133305 100644
--- a/src/compiler/diamond.h
+++ b/src/compiler/diamond.h
@@ -5,10 +5,8 @@
 #ifndef V8_COMPILER_DIAMOND_H_
 #define V8_COMPILER_DIAMOND_H_
 
-#include "src/v8.h"
-
 #include "src/compiler/common-operator.h"
-#include "src/compiler/graph-inl.h"
+#include "src/compiler/graph.h"
 #include "src/compiler/node.h"
 
 namespace v8 {
@@ -51,35 +49,13 @@
     }
   }
 
-  Node* Phi(MachineType machine_type, Node* tv, Node* fv) {
-    return graph->NewNode(common->Phi(machine_type, 2), tv, fv, merge);
-  }
-
-  Node* EffectPhi(Node* tv, Node* fv) {
-    return graph->NewNode(common->EffectPhi(2), tv, fv, merge);
-  }
-
-  void OverwriteWithPhi(Node* node, MachineType machine_type, Node* tv,
-                        Node* fv) {
-    DCHECK(node->InputCount() >= 3);
-    node->set_op(common->Phi(machine_type, 2));
-    node->ReplaceInput(0, tv);
-    node->ReplaceInput(1, fv);
-    node->ReplaceInput(2, merge);
-    node->TrimInputCount(3);
-  }
-
-  void OverwriteWithEffectPhi(Node* node, Node* te, Node* fe) {
-    DCHECK(node->InputCount() >= 3);
-    node->set_op(common->EffectPhi(2));
-    node->ReplaceInput(0, te);
-    node->ReplaceInput(1, fe);
-    node->ReplaceInput(2, merge);
-    node->TrimInputCount(3);
+  Node* Phi(MachineRepresentation rep, Node* tv, Node* fv) {
+    return graph->NewNode(common->Phi(rep, 2), tv, fv, merge);
   }
 };
-}
-}
-}  // namespace v8::internal::compiler
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_COMPILER_DIAMOND_H_