Simplify pending message object handling.

src/full-codegen.h

Index: src/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen.h
index 338ed29542a1027f5444fe8704d56cfa72400da3..217f9e9bc986013521fae7c74f4de986236114e6 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen.h
@@ -249,7 +249,7 @@ class FullCodeGenerator: public AstVisitor {
   // The finally block of a try/finally statement.
   class Finally : public NestedStatement {
    public:
-    static const int kElementCount = 4;
+    static const int kElementCount = 3;
 
     explicit Finally(FullCodeGenerator* codegen) : NestedStatement(codegen) { }
     virtual ~Finally() {}