Preparsing now considers catch-blocks as inside a with.

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index 667410b3ce3e459da2862532c751bd1f7e4fcea9..64f621c9e2e695d8e24f690b1ce07ca73adc3676 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -132,7 +132,7 @@ class ScriptDataImpl : public ScriptData {
   unsigned version() { return store_[kVersionOffset]; }
 
   static const unsigned kMagicNumber = 0xBadDead;
-  static const unsigned kCurrentVersion = 4;
+  static const unsigned kCurrentVersion = 5;
 
   static const int kMagicOffset = 0;
   static const int kVersionOffset = 1;