Fix use after delete with self assignment

Not sure this is actually used. Discovered in static analyzer

Change-Id: I1c143002e5da1ec809887626e348ea08a74b3715
Reviewed-by: Kirill Burtsev <kirill.burtsev@qt.io>
(cherry picked from commit f2dcaabd5972f8f8eb7251895c06feac4bb0f939)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/core/native_web_keyboard_event_qt.cpp b/src/core/native_web_keyboard_event_qt.cpp
index edd27ccec..c90b3c9e8 100644
--- a/src/core/native_web_keyboard_event_qt.cpp
+++ b/src/core/native_web_keyboard_event_qt.cpp
@@ -95,7 +95,10 @@ NativeWebKeyboardEvent::NativeWebKeyboardEvent(const NativeWebKeyboardEvent& oth
 {
 }
 
-NativeWebKeyboardEvent& NativeWebKeyboardEvent::operator=(const NativeWebKeyboardEvent& other) {
+NativeWebKeyboardEvent &NativeWebKeyboardEvent::operator=(const NativeWebKeyboardEvent &other)
+{
+    if (this == &other)
+        return *this;
     WebKeyboardEvent::operator=(other);
     DestroyEvent(os_event);
     os_event = CopyEvent(other.os_event);