Migrate FunctionPrototype (Keyed|Named)LoadIC to CodeStub

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index b89da9d886bdf4cf3a12b7f960b47cfc1f86cf9f..627e65a039dfec46f09cb92fbf340ee0f7513817 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -414,13 +414,13 @@ void Property::RecordTypeFeedback(TypeFeedbackOracle* oracle,
   receiver_types_.Clear();
   if (key()->IsPropertyName()) {
     ArrayLengthStub array_stub(Code::LOAD_IC);
+    FunctionPrototypeStub proto_stub(Code::LOAD_IC);
     StringLengthStub string_stub(Code::LOAD_IC, false);
     if (oracle->LoadIsStub(this, &array_stub)) {
       is_array_length_ = true;
     } else if (oracle->LoadIsStub(this, &string_stub)) {
       is_string_length_ = true;
-    } else if (oracle->LoadIsBuiltin(this,
-                                     Builtins::kLoadIC_FunctionPrototype)) {
+    } else if (oracle->LoadIsStub(this, &proto_stub)) {
       is_function_prototype_ = true;
     } else {
       Literal* lit_key = key()->AsLiteral();