* Move irregexp backtrack stack to external memory area, instead of the system stack.

src/regexp-macro-assembler.cc

 // Copyright 2008 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 50 matching lines @@
       Handle<ByteArray> solo_buffer(Factory::NewByteArray(byte_size, TENURED));
       return ArraySlice(solo_buffer, 0);
     }
     current_byte_array_ = Factory::NewByteArray(byte_array_size_, TENURED);
     free_offset = 0;
   }
   current_byte_array_free_offset_ = free_offset + byte_size;
   return ArraySlice(current_byte_array_, free_offset);
 }
 
+
 template <typename T>
 ArraySlice ByteArrayProvider::GetBuffer(Vector<T> values) {
   ArraySlice slice = GetBuffer(values.length(), sizeof(T));
   memcpy(slice.location(), values.start(), values.length() * sizeof(T));
   return slice;
 }
-} }
+} }  // namespace v8::internal