1 files changed, 4 insertions, 1 deletions
diff --git a/src/gui/text/qfont_p.h b/src/gui/text/qfont_p.h
index 115e866f24..5b7f918e21 100644
--- a/src/gui/text/qfont_p.h
+++ b/src/gui/text/qfont_p.h
@@ -140,7 +140,7 @@ public:
     ~QFontEngineData();
 
     QAtomicInt ref;
-    QFontCache *fontCache;
+    const int fontCacheId;
 
     QFontEngine *engines[QChar::ScriptCount];
 
@@ -206,6 +206,8 @@ public:
     QFontCache();
     ~QFontCache();
 
+    int id() const { return m_id; }
+
     void clear();
 
     struct Key {
@@ -263,6 +265,7 @@ private:
     uint current_timestamp;
     bool fast;
     int timer_id;
+    const int m_id;
 };
 
 Q_GUI_EXPORT int qt_defaultDpiX();