From a17f38fb747e94cbcd8bb3f0fa69b1411f52b603 Mon Sep 17 00:00:00 2001
From: "Zheng, Lei" <realthunder.dev@gmail.com>
Date: Thu, 5 Dec 2019 09:12:17 +0800
Subject: [PATCH] Do not reserve memory when copy/paste objects through file

---
 src/Gui/MainWindow.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/Gui/MainWindow.cpp b/src/Gui/MainWindow.cpp
index 81d762e0a1..0d94f0472a 100644
--- a/src/Gui/MainWindow.cpp
+++ b/src/Gui/MainWindow.cpp
@@ -1591,11 +1591,13 @@ QMimeData * MainWindow::createMimeDataFromSelection () const
     // if less than ~10 MB
     bool use_buffer=(memsize < 0xA00000);
     QByteArray res;
-    try {
-        res.reserve(memsize);
-    }
-    catch (const Base::MemoryException&) {
-        use_buffer = false;
+    if(use_buffer) {
+        try {
+            res.reserve(memsize);
+        }
+        catch (const std::bad_alloc &) {
+            use_buffer = false;
+        }
     }
 
     WaitCursor wc;