Teach TurboFan to call C functions with result_size > 1.

src/compiler/js-graph.cc

Index: src/compiler/js-graph.cc
diff --git a/src/compiler/js-graph.cc b/src/compiler/js-graph.cc
index da6d66df627691c9c22d2f8a85b679a06266f6d7..75c3113a1aa19cd12ed190aac0ebaf244b027a47 100644
--- a/src/compiler/js-graph.cc
+++ b/src/compiler/js-graph.cc
@@ -17,15 +17,6 @@ Node* JSGraph::ImmovableHeapConstant(Handle<HeapObject> object) {
 }
 
 
-Node* JSGraph::CEntryStubConstant() {
-  if (!c_entry_stub_constant_.is_set()) {
-    c_entry_stub_constant_.set(
-        ImmovableHeapConstant(CEntryStub(isolate(), 1).GetCode()));
-  }
-  return c_entry_stub_constant_.get();
-}
-
-
 Node* JSGraph::UndefinedConstant() {
   if (!undefined_constant_.is_set()) {
     undefined_constant_.set(
@@ -195,10 +186,10 @@ Node* JSGraph::ExternalConstant(ExternalReference reference) {
 
 void JSGraph::GetCachedNodes(NodeVector* nodes) {
   cache_.GetCachedNodes(nodes);
-  SetOncePointer<Node>* ptrs[] = {
-      &c_entry_stub_constant_, &undefined_constant_, &the_hole_constant_,
-      &true_constant_,         &false_constant_,     &null_constant_,
-      &zero_constant_,         &one_constant_,       &nan_constant_};
+  SetOncePointer<Node>* ptrs[] = {&undefined_constant_, &the_hole_constant_,
+                                  &true_constant_,      &false_constant_,
+                                  &null_constant_,      &zero_constant_,
+                                  &one_constant_,       &nan_constant_};
   for (size_t i = 0; i < arraysize(ptrs); i++) {
     if (ptrs[i]->is_set()) nodes->push_back(ptrs[i]->get());
   }