      le_int32 count, order = 0;
      le_int32 featureReferences = 0;
      const FeatureTable *featureTable = NULL;
+@@ -162,6 +171,10 @@
+         le_uint16 featureIndex = SWAPW(langSysTable->featureIndexArray[feature]);
+
+         featureTable = featureListTable->getFeatureTable(featureIndex, &featureTag);
++
++        if (!featureTable)
++             continue;
++
+         featureReferences += SWAPW(featureTable->lookupCount);
+     }
+

             le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);

             glyphIterator.reset(lookupFlags, selectMask);
@@ -96,6 +102,9 @@
     for (le_uint16 lookup = 0; lookup < lookupCount; lookup += 1) {
         le_uint16 lookupListIndex = SWAPW(featureTable->lookupListIndexArray[lookup]);


       lookupOrderArray(NULL), lookupOrderCount(0)
 {
     const ScriptListTable *scriptListTable = NULL;
@@ -146,6 +153,8 @@
         lookupSelectArray[i] = 0;
     }

