From c047b969bed50a76fe20d18a3708a26fa05b1eff Mon Sep 17 00:00:00 2001
From: Andrea Cavalli <andrea@warp.ovh>
Date: Mon, 25 May 2020 15:50:21 +0200
Subject: [PATCH] Fix iterator increment position (caused SIGSEGV)

---
 td/telegram/files/FileManager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/td/telegram/files/FileManager.cpp b/td/telegram/files/FileManager.cpp
index fbd4df586..cc2f57024 100644
--- a/td/telegram/files/FileManager.cpp
+++ b/td/telegram/files/FileManager.cpp
@@ -3790,8 +3790,8 @@ void FileManager::memory_cleanup() {
         if (file_nodes_[it->second.node_id_].empty) {
           destroy_query(it->first);
           context_->destroy_file_source({it->first, 0});
-          file_id_info_.erase(it++);
           file_nodes_.erase(it->second.node_id_);
+          file_id_info_.erase(it++);
         } else {
           ++it;
         }