1 files changed, 10 insertions, 3 deletions
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 3137de6..8fc3176 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -1907,12 +1907,17 @@ QFontEngine *QTextEngine::fontEngine(const QScriptItem &si, QFixed *ascent, QFix
                     font.setPixelSize((font.pixelSize() * 2) / 3);
                 scaledEngine = font.d->engineForScript(script);
             }
-            feCache.prevFontEngine = engine;
             if (engine)
                 engine->ref.ref();
-            feCache.prevScaledFontEngine = scaledEngine;
+            if (feCache.prevFontEngine)
+                releaseCachedFontEngine(feCache.prevFontEngine);
+            feCache.prevFontEngine = engine;
+
             if (scaledEngine)
                 scaledEngine->ref.ref();
+            if (feCache.prevScaledFontEngine)
+                releaseCachedFontEngine(feCache.prevScaledFontEngine);
+            feCache.prevScaledFontEngine = scaledEngine;
             feCache.prevScript = script;
             feCache.prevPosition = si.position;
             feCache.prevLength = length(&si);
@@ -1922,9 +1927,11 @@ QFontEngine *QTextEngine::fontEngine(const QScriptItem &si, QFixed *ascent, QFix
             engine = feCache.prevFontEngine;
         else {
             engine = font.d->engineForScript(script);
-            feCache.prevFontEngine = engine;
             if (engine)
                 engine->ref.ref();
+            if (feCache.prevFontEngine)
+                releaseCachedFontEngine(feCache.prevFontEngine);
+            feCache.prevFontEngine = engine;
             feCache.prevScript = script;
             feCache.prevPosition = -1;
             feCache.prevLength = -1;