[es6] Tail calls support.

src/ic/ic.cc

Index: src/ic/ic.cc
diff --git a/src/ic/ic.cc b/src/ic/ic.cc
index 5cbf939c94de15782f07c3910c83e8954fa662fb..4220997e2e5b7aa722863c0ffeadbcb33a417174 100644
--- a/src/ic/ic.cc
+++ b/src/ic/ic.cc
@@ -1561,18 +1561,18 @@ MaybeHandle<Object> StoreIC::Store(Handle<Object> object, Handle<Name> name,
   return value;
 }
 
-
 Handle<Code> CallIC::initialize_stub(Isolate* isolate, int argc,
-                                     ConvertReceiverMode mode) {
-  CallICTrampolineStub stub(isolate, CallICState(argc, mode));
+                                     ConvertReceiverMode mode,
+                                     TailCallMode tail_call_mode) {
+  CallICTrampolineStub stub(isolate, CallICState(argc, mode, tail_call_mode));
   Handle<Code> code = stub.GetCode();
   return code;
 }
 
-
 Handle<Code> CallIC::initialize_stub_in_optimized_code(
-    Isolate* isolate, int argc, ConvertReceiverMode mode) {
-  CallICStub stub(isolate, CallICState(argc, mode));
+    Isolate* isolate, int argc, ConvertReceiverMode mode,
+    TailCallMode tail_call_mode) {
+  CallICStub stub(isolate, CallICState(argc, mode, tail_call_mode));
   Handle<Code> code = stub.GetCode();
   return code;
 }