Make value of static_objects_ a pointer.

PiperOrigin-RevId: 458414329
diff --git a/lifetime_analysis/object_repository.cc b/lifetime_analysis/object_repository.cc
index 70ade1c..7ddfb05 100644
--- a/lifetime_analysis/object_repository.cc
+++ b/lifetime_analysis/object_repository.cc
@@ -687,17 +687,17 @@
 Object ObjectRepository::CreateStaticObject(clang::QualType type) {
   auto iter = static_objects_.find(type);
   if (iter != static_objects_.end()) {
-    return iter->second;
+    return *iter->second;
   }
 
-  Object object = *CreateObject(Lifetime::Static(), type);
+  const Object* object = CreateObject(Lifetime::Static(), type);
   static_objects_[type] = object;
 
   CreateObjects(
-      object, type, [](const clang::Expr*) { return Lifetime::Static(); },
+      *object, type, [](const clang::Expr*) { return Lifetime::Static(); },
       true);
 
-  return object;
+  return *object;
 }
 
 void ObjectRepository::CreateObjects(Object root_object, clang::QualType type,
diff --git a/lifetime_analysis/object_repository.h b/lifetime_analysis/object_repository.h
index 615dae9..d5b255f 100644
--- a/lifetime_analysis/object_repository.h
+++ b/lifetime_analysis/object_repository.h
@@ -250,7 +250,7 @@
 
   llvm::DenseMap<const clang::Expr*, const Object*> call_expr_this_pointers_;
 
-  llvm::DenseMap<clang::QualType, Object> static_objects_;
+  llvm::DenseMap<clang::QualType, const Object*> static_objects_;
 };
 
 }  // namespace lifetimes