Make _CallFunction proxy-aware.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index e614103b4d4a8695666e6f78e470703ac0454f31..c9bcfcd2b204a8037dc70f5bd61b632bbefc8895 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -8521,6 +8521,42 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_CheckIsBootstrapping) {
 }
 
 
+RUNTIME_FUNCTION(MaybeObject*, Runtime_Call) {
+  HandleScope scope(isolate);
+  ASSERT(args.length() >= 2);
+  CONVERT_CHECKED(JSReceiver, fun, args[args.length() - 1]);
+  Object* receiver = args[0];
+  int argc = args.length() - 2;
+
+  // If there are too many arguments, allocate argv via malloc.
+  const int argv_small_size = 10;
+  Handle<Object> argv_small_buffer[argv_small_size];
+  SmartArrayPointer<Handle<Object> > argv_large_buffer;
+  Handle<Object>* argv = argv_small_buffer;
+  if (argc > argv_small_size) {
+    argv = new Handle<Object>[argc];
+    if (argv == NULL) return isolate->StackOverflow();
+    argv_large_buffer = SmartArrayPointer<Handle<Object> >(argv);
+  }
+
+  for (int i = 0; i < argc; ++i) {
+     MaybeObject* maybe = args[1 + i];
+     Object* object;
+     if (!maybe->To<Object>(&object)) return maybe;
+     argv[i] = Handle<Object>(object);
+  }
+
+  bool threw;
+  Handle<JSReceiver> hfun(fun);
+  Handle<Object> hreceiver(receiver);
+  Handle<Object> result =
+      Execution::Call(hfun, hreceiver, argc, argv, &threw, true);
+
+  if (threw) return Failure::Exception();
+  return *result;
+}
+
+
 RUNTIME_FUNCTION(MaybeObject*, Runtime_Apply) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 5);