From bbb8221301bc47b1c92671489ea870b82d2bddd0 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Tue, 15 Aug 2023 14:58:56 -0700
Subject: [PATCH] Handle self-assignment (#1114)

Found with cert-oop54-cpp

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 taglib/toolkit/tpropertymap.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/taglib/toolkit/tpropertymap.cpp b/taglib/toolkit/tpropertymap.cpp
index 3e1d144d..ac17f31e 100644
--- a/taglib/toolkit/tpropertymap.cpp
+++ b/taglib/toolkit/tpropertymap.cpp
@@ -183,6 +183,9 @@ StringList &PropertyMap::unsupportedData()
 
 PropertyMap &PropertyMap::operator=(const PropertyMap &other)
 {
+  if(this == &other)
+    return *this;
+
   SimplePropertyMap::operator=(other);
   *d = *other.d;
   return *this;