Implement non-generic stores for object literals.

src/type-info.cc

Index: src/type-info.cc
diff --git a/src/type-info.cc b/src/type-info.cc
index fa479b2e515b5c811b30c67bae9ce4c3fd4c9e09..926043719d97bf1ee2557a498e306add317c8597 100644
--- a/src/type-info.cc
+++ b/src/type-info.cc
@@ -154,6 +154,13 @@ bool TypeFeedbackOracle::CallNewIsMonomorphic(CallNew* expr) {
 }
 
 
+bool TypeFeedbackOracle::ObjectLiteralStoreIsMonomorphic(
+    ObjectLiteral::Property* prop) {
+  Handle<Object> map_or_code = GetInfo(prop->key()->id());
+  return map_or_code->IsMap();
+}
+
+
 bool TypeFeedbackOracle::IsForInFastCase(ForInStatement* stmt) {
   Handle<Object> value = GetInfo(stmt->PrepareId());
   return value->IsSmi() &&
@@ -268,6 +275,13 @@ Handle<JSFunction> TypeFeedbackOracle::GetCallNewTarget(CallNew* expr) {
 }
 
 
+Handle<Map> TypeFeedbackOracle::GetObjectLiteralStoreMap(
+    ObjectLiteral::Property* prop) {
+  ASSERT(ObjectLiteralStoreIsMonomorphic(prop));
+  return Handle<Map>::cast(GetInfo(prop->key()->id()));
+}
+
+
 bool TypeFeedbackOracle::LoadIsBuiltin(Property* expr, Builtins::Name id) {
   return *GetInfo(expr->id()) ==
       isolate_->builtins()->builtin(id);