Implement tracking and optimizations of packed arrays

src/jsregexp.cc

-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 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
 //       with the distribution.
@@ skipping 305 matching lines @@
                 ? SearchString(isolate,
                                subject_content.ToAsciiVector(),
                                needle_content.ToUC16Vector(),
                                index)
                 : SearchString(isolate,
                                subject_content.ToUC16Vector(),
                                needle_content.ToUC16Vector(),
                                index)));
     if (index == -1) return isolate->factory()->null_value();
   }
-  ASSERT(last_match_info->HasFastElements());
+  ASSERT(last_match_info->HasFastObjectElements());
 
   {
     NoHandleAllocation no_handles;
     FixedArray* array = FixedArray::cast(last_match_info->elements());
     SetAtomLastCapture(array, *subject, index, index + needle_len);
   }
   return last_match_info;
 }
 
 
@@ skipping 5546 matching lines @@
   }
 
   return compiler.Assemble(&macro_assembler,
                            node,
                            data->capture_count,
                            pattern);
 }
 
 
 }}  // namespace v8::internal