WebKit merge 40500:40539 [WebKit side]

third_party/WebKit/JavaScriptCore/wrec/WRECGenerator.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 345 matching lines @@
         
         // check if there are any ranges or matches below lo.  If not, just jl to failure -
         // if there is anything else to check, check that first, if it falls through jmp to failure.
         if ((*matchIndex < matchCount) && (matches[*matchIndex] < lo)) {
             Jump loOrAbove = jge32(character, Imm32((unsigned short)lo));
             
             // generate code for all ranges before this one
             if (which)
                 generateCharacterClassInvertedRange(failures, matchDest, ranges, which, matchIndex, matches, matchCount);
             
-            do {
+            while ((*matchIndex < matchCount) && (matches[*matchIndex] < lo)) {
                 matchDest.append(je32(character, Imm32((unsigned short)matches[*matchIndex])));
                 ++*matchIndex;
-            } while ((*matchIndex < matchCount) && (matches[*matchIndex] < lo));
+            }
             failures.append(jump());
 
             loOrAbove.link(this);
         } else if (which) {
             Jump loOrAbove = jge32(character, Imm32((unsigned short)lo));
 
             generateCharacterClassInvertedRange(failures, matchDest, ranges, which, matchIndex, matches, matchCount);
             failures.append(jump());
 
             loOrAbove.link(this);
@@ skipping 279 matching lines @@
 {
     successes.link(this);
 }
 
 } } // namespace JSC::WREC
 
 #endif // ENABLE(WREC)