Flattened the representation of compiled RegExp data.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index f28289650c9a269231dc536f868a8f20911789be..143235cee9c0c5fbea2e1fc27abcb58707064bfc 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -316,12 +316,20 @@ class Factory : public AllStatic {
                                                Handle<FixedArray> keys);
 
   // Creates a new FixedArray that holds the data associated with the
-  // regexp and stores it in the regexp.
-  static void SetRegExpData(Handle<JSRegExp> regexp,
-                            JSRegExp::Type type,
-                            Handle<String> source,
-                            JSRegExp::Flags flags,
-                            Handle<Object> data);
+  // atom regexp and stores it in the regexp.
+  static void SetRegExpAtomData(Handle<JSRegExp> regexp,
+                                JSRegExp::Type type,
+                                Handle<String> source,
+                                JSRegExp::Flags flags,
+                                Handle<Object> match_pattern);
+
+  // Creates a new FixedArray that holds the data associated with the
+  // irregexp regexp and stores it in the regexp.
+  static void SetRegExpIrregexpData(Handle<JSRegExp> regexp,
+                                    JSRegExp::Type type,
+                                    Handle<String> source,
+                                    JSRegExp::Flags flags,
+                                    int capture_count);
 
  private:
   static Handle<JSFunction> NewFunctionHelper(Handle<String> name,