[gjs: 1/2] gobject: Use auto-compartment on object when setting property

[Philip Chimento <pchimento src gnome org>]

commit f4148e7e7e4b606660ecbbf0dc124dd01c89d849
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Thu Apr 25 14:06:35 2019 -0500

    gobject: Use auto-compartment on object when setting property
    
    When binding a property inherited from the object to another
    gobject property added in Javascript, it could happen that gjs
    crashes when setting the property.
    
    So enter a new compartment when doing this.
    
    Fixes https://gitlab.gnome.org/GNOME/gjs/issues/246

 gi/gobject.cpp | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gi/gobject.cpp b/gi/gobject.cpp
index 0c54f4e4..4ed784e2 100644
--- a/gi/gobject.cpp
+++ b/gi/gobject.cpp
@@ -145,6 +145,8 @@ static void gjs_object_set_gproperty(GObject* object, unsigned property_id,
     JSContext *cx = current_context();
 
     JS::RootedObject js_obj(cx, priv->wrapper());
+    JSAutoCompartment ac(cx, js_obj);
+
     if (!jsobj_set_gproperty(cx, js_obj, value, pspec))
         gjs_log_exception(cx);
 }