Trust the compiler to do array indexing and superclass promotion.

xfa/fgas/layout/fgas_textbreak.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fgas/layout/fgas_textbreak.h"
 
 #include <algorithm>
 
@@ skipping 996 matching lines @@
     iEndPos -= iCharWidth;
   }
   while (iLength >= 0) {
     pCur = ca.GetDataPtr(iLength);
     nCodeProp = pCur->m_dwCharProps;
     nCur = nCodeProp & 0x003F;
     if (nCur == FX_CBP_SP) {
       if (nNext == FX_CBP_SP) {
         eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
       } else {
-        eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
-                  (nCur << 5) + nNext);
+        eType = gs_FX_LineBreak_PairTable[nCur][nNext];
       }
     } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) {
       eType = FX_LBT_DIRECT_BRK;
     } else {
       if (nNext == FX_CBP_SP) {
         eType = FX_LBT_PROHIBITED_BRK;
       } else {
-        eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
-                  (nCur << 5) + nNext);
+        eType = gs_FX_LineBreak_PairTable[nCur][nNext];
       }
     }
     if (bAllChars) {
       pCur->m_nBreakType = (uint8_t)eType;
     }
     if (!bOnlyBrk) {
       if (m_bSingleLine || iEndPos <= m_iLineWidth ||
           (nCur == FX_CBP_SP && !bSpaceBreak)) {
         if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
           iBreak = iLength;
@@ skipping 619 matching lines @@
         rtBBoxF.height = fHeight;
         rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
       }
       rtArray.SetAt(i, rtBBoxF);
       continue;
     }
     rtArray.SetAt(i, rect);
   }
   return iLength;
 }