Fixed various simulator-related space leaks.

src/arm/simulator-arm.h

Index: src/arm/simulator-arm.h
diff --git a/src/arm/simulator-arm.h b/src/arm/simulator-arm.h
index 12b6853e7ba343f865aa781fb2d6a8b24d1dafa1..eea43efc53a97a30cf44e8d690be34c5a28b740d 100644
--- a/src/arm/simulator-arm.h
+++ b/src/arm/simulator-arm.h
@@ -194,6 +194,8 @@ class Simulator {
   // Call on program start.
   static void Initialize(Isolate* isolate);
 
+  static void TearDown(HashMap* i_cache, Redirection* first);
+
   // V8 generally calls into generated JS code with 5 parameters and into
   // generated RegExp code with 7 parameters. This is a convenience function,
   // which sets up the simulator state and grabs the result on return.