Added possibility of miscompiled regexp to verfifier.

src/objects.h

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3510 matching lines @@
   static const int kSourceIndex = kTagIndex + 1;
   static const int kFlagsIndex = kSourceIndex + 1;
   static const int kDataIndex = kFlagsIndex + 1;
   // The data fields are used in different ways depending on the
   // value of the tag.
   // Atom regexps (literal strings).
   static const int kAtomPatternIndex = kDataIndex;
 
   static const int kAtomDataSize = kAtomPatternIndex + 1;
 
-  // Irregexp compiled code or bytecode for ASCII.
+  // Irregexp compiled code or bytecode for ASCII. If compilation
+  // fails, this fields hold an exception object that should be
+  // thrown if the regexp is used again.
   static const int kIrregexpASCIICodeIndex = kDataIndex;
-  // Irregexp compiled code or bytecode for UC16.
+  // Irregexp compiled code or bytecode for UC16.  If compilation
+  // fails, this fields hold an exception object that should be
+  // thrown if the regexp is used again.
   static const int kIrregexpUC16CodeIndex = kDataIndex + 1;
   // Maximal number of registers used by either ASCII or UC16.
   // Only used to check that there is enough stack space
   static const int kIrregexpMaxRegisterCountIndex = kDataIndex + 2;
   // Number of captures in the compiled regexp.
   static const int kIrregexpCaptureCountIndex = kDataIndex + 3;
 
   static const int kIrregexpDataSize = kIrregexpCaptureCountIndex + 1;
 };
 
@@ skipping 1309 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_