Implement non-generic stores for object literals.

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index 239e5d0ffe4475a2e885962a9a36832de23a8f54..666637b958ad747c0f39b5d69e1954832978a54c 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -602,6 +602,14 @@ void CompareOperation::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
 }
 
 
+void ObjectLiteral::Property::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
+  is_monomorphic_ = oracle->ObjectLiteralStoreIsMonomorphic(this);
+  if (is_monomorphic_) {
+    receiver_type_ = oracle->GetObjectLiteralStoreMap(this);
+  }
+}
+
+
 // ----------------------------------------------------------------------------
 // Implementation of AstVisitor