Preparse lazy function parameters

src/parsing/preparse-data-format.h

Index: src/parsing/preparse-data-format.h
diff --git a/src/parsing/preparse-data-format.h b/src/parsing/preparse-data-format.h
index f7d9f68ccea5e00be82a4175c8eff857699394c9..93c97694fe7d05d507a861f18fe4b72302aaf493 100644
--- a/src/parsing/preparse-data-format.h
+++ b/src/parsing/preparse-data-format.h
@@ -14,7 +14,7 @@ struct PreparseDataConstants {
  public:
   // Layout and constants of the preparse data exchange format.
   static const unsigned kMagicNumber = 0xBadDead;
-  static const unsigned kCurrentVersion = 11;
+  static const unsigned kCurrentVersion = 12;
 
   static const int kMagicOffset = 0;
   static const int kVersionOffset = 1;