From be55fa95765c0d53fadddfce2e9aefa651cf791d Mon Sep 17 00:00:00 2001
From: Paolo Angelelli <paolo.angelelli@qt.io>
Date: Wed, 9 Jan 2019 13:37:37 +0100
Subject: Fix crash when assigning a Component to MapQuickItem.sourceItem

This workaround is currently needed until QTBUG-72930 gets fixed in
qtdeclarative.

Change-Id: Id75fa2048dd6e012c99f61cdc07cfedbe8c6bf83
Fixes: QTBUG-61509
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
---
 src/location/declarativemaps/qdeclarativegeomapquickitem.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/location/declarativemaps/qdeclarativegeomapquickitem.cpp b/src/location/declarativemaps/qdeclarativegeomapquickitem.cpp
index 8c71e7be..5f9ecc8a 100644
--- a/src/location/declarativemaps/qdeclarativegeomapquickitem.cpp
+++ b/src/location/declarativemaps/qdeclarativegeomapquickitem.cpp
@@ -249,9 +249,10 @@ QGeoCoordinate QDeclarativeGeoMapQuickItem::coordinate()
 */
 void QDeclarativeGeoMapQuickItem::setSourceItem(QQuickItem *sourceItem)
 {
-    if (sourceItem_.data() == sourceItem)
+    QQuickItem *item = qobject_cast<QQuickItem *>(sourceItem); // Workaround for QTBUG-72930
+    if (sourceItem_.data() == item)
         return;
-    sourceItem_ = sourceItem;
+    sourceItem_ = item;
     polishAndUpdate();
     emit sourceItemChanged();
 }
-- 
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