Quote stringified generic variants on JSON.stringify

A string representation of those is unlikely to be actual JSON, and even
if it is, we don't want to use it as such.

Fixes: QTBUG-72674
Change-Id: I6815366a0176d9725ff4840d3fc545792ce00535
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Robin Burchell <robin.burchell@crimson.no>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/qml/jsruntime/qv4jsonobject.cpp b/src/qml/jsruntime/qv4jsonobject.cpp
index 0c5436a0d6..936c032fad 100644
--- a/src/qml/jsruntime/qv4jsonobject.cpp
+++ b/src/qml/jsruntime/qv4jsonobject.cpp
@@ -739,7 +739,7 @@ QString Stringify::Str(const QString &key, const Value &v)
     }
 
     if (const QV4::VariantObject *v = value->as<QV4::VariantObject>()) {
-        return v->d()->data().toString();
+        return quote(v->d()->data().toString());
     }
 
     o = value->asReturnedValue();