Fix crash when cache property can not be found

For some reason if a cache property is not found
this cause an application crash instead of just reporting an error.

Now instead of a crash we get this kind of error visible:
qrc:///the_file.qml line 64 column 30: Cannot assign object to property

Change-Id: Ic420713df30603f1d164da439cba30a18af8f2bc
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/qml/compiler/qqmltypecompiler.cpp b/src/qml/compiler/qqmltypecompiler.cpp
index 7e4ee344ff..82332dfc35 100644
--- a/src/qml/compiler/qqmltypecompiler.cpp
+++ b/src/qml/compiler/qqmltypecompiler.cpp
@@ -1414,7 +1414,7 @@ void QQmlComponentAndAliasResolver::findAndRegisterImplicitComponents(const QmlI
             continue;
 
         QQmlPropertyCache *pc = enginePrivate->rawPropertyCacheForType(pd->propType);
-        const QMetaObject *mo = pc->firstCppMetaObject();
+        const QMetaObject *mo = pc ? pc->firstCppMetaObject() : 0;
         while (mo) {
             if (mo == &QQmlComponent::staticMetaObject)
                 break;