8056276: Fontmanager feature improvements

Reviewed-by: srl, bae, mschoene

src/share/native/sun/font/layout/CursiveAttachmentSubtables.cpp

@@ -45,6 +45,9 @@ le_uint32 CursiveAttachmentSubtable::process(const LEReferenceTo<CursiveAttachme
     le_int32  coverageIndex = getGlyphCoverage(base, glyphID, success);
     le_uint16 eeCount       = SWAPW(entryExitCount);
 
+    LEReferenceToArrayOf<EntryExitRecord>
+        entryExitRecordsArrayRef(base, success, entryExitRecords, coverageIndex);
+
     if (coverageIndex < 0 || coverageIndex >= eeCount || LE_FAILURE(success)) {
         glyphIterator->setCursiveGlyph();
         return 0;

src/share/native/sun/font/layout/Features.cpp

@@ -40,6 +40,9 @@ U_NAMESPACE_BEGIN
 
 LEReferenceTo<FeatureTable> FeatureListTable::getFeatureTable(const LETableReference &base, le_uint16 featureIndex, LETag *featureTag, LEErrorCode &success) const
 {
+    LEReferenceToArrayOf<FeatureRecord>
+        featureRecordArrayRef(base, success, featureRecordArray, featureIndex);
+
   if (featureIndex >= SWAPW(featureCount) || LE_FAILURE(success)) {
     return LEReferenceTo<FeatureTable>();
   }

src/share/native/sun/font/layout/LigatureSubstSubtables.cpp

@@ -64,6 +64,9 @@ le_uint32 LigatureSubstitutionSubtable::process(const LETableReference &base, Gl
             LEReferenceTo<LigatureTable>   ligTable(ligSetTable, success, ligTableOffset);
             if(LE_FAILURE(success)) { return 0; }
             le_uint16 compCount = SWAPW(ligTable->compCount) - 1;
+            LEReferenceToArrayOf<TTGlyphID>
+                componentArrayRef(base, success, ligTable->componentArray, compCount);
+            if (LE_FAILURE(success)) { return 0; }
             le_int32 startPosition = glyphIterator->getCurrStreamPosition();
             TTGlyphID ligGlyph = SWAPW(ligTable->ligGlyph);
             le_uint16 comp;

src/share/native/sun/font/layout/MultipleSubstSubtables.cpp

@@ -61,6 +61,8 @@ le_uint32 MultipleSubstitutionSubtable::process(const LETableReference &base, Gl
 
     le_int32 coverageIndex = getGlyphCoverage(base, glyph, success);
     le_uint16 seqCount = SWAPW(sequenceCount);
+    LEReferenceToArrayOf<Offset>
+        sequenceTableOffsetArrayRef(base, success, sequenceTableOffsetArray, seqCount);
 
     if (LE_FAILURE(success)) {
         return 0;